(Luận án tiến sĩ) ảnh hưởng của từ trường lên cấu trúc năng lượng nguyên tử hydro trong plasma và exciton trong đơn lớp TMD

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(Luận án tiến sĩ) ảnh hưởng của từ trường lên cấu trúc năng lượng nguyên tử hydro trong plasma và exciton trong đơn lớp TMD

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❇❐ ●■⑩❖ ❉Ö❈ ❱⑨ ✣⑨❖ ❚❸❖ ❇❐ ❑❍❖❆ ❍➴❈ ❱⑨ ìẹ ị ❉❯❨ ◆❍❻❚ ❷◆❍ ❍×Ð◆● ❈Õ❆ ❚Ø ❚❘×❮◆● ▲➊◆ ❈❻❯ ❚❘Ĩ❈ ◆❿◆● ▲×Đ◆● ◆●❯❨➊◆ ❚Û ❍❨❉❘❖ ❚❘❖◆● P▲❆❙▼❆ ❱⑨ ❊❳❈■❚❖◆ ❚❘❖◆● ✣❒◆ ▲❰P ❚▼❉ ▲❯❾◆ ⑩◆ ❚■➌◆ ❙➒ ❱❾❚ ▲Þ ❚P✳ ❍➬ ❈❍➑ ▼■◆❍ ✕ ◆❿▼ ✷✵✷✷ ho tro tai file : luanvanchat@gmail.com ❇❐ ●■⑩❖ ❉Ö❈ ❱⑨ ✣⑨❖ ❚❸❖ ❇❐ ❑❍❖❆ ❍➴❈ ❱⑨ ❈➷◆● ◆●❍➏ ❱■➏◆ ◆❿◆● ▲×Đ◆● ◆●❯❨➊◆ ❚Û ❱■➏❚ ị ìé ế ỉ ì ❈❻❯ ❚❘Ĩ❈ ◆❿◆● ▲×Đ◆● ◆●❯❨➊◆ ❚Û ❍❨❉❘❖ ❚❘❖◆● P▲❆❙▼❆ ❱⑨ P t ỵ tỷ ✈➔ ❤↕t ♥❤➙♥ ▼➣ sè ♥❣➔♥❤ ✿ ✾✳✹✹✳✵✶✳✵✻ P❤↔♥ ❜✐➺♥ ✶✿ P❤↔♥ ❜✐➺♥ ✷✿ P❤↔♥ ❜✐➺♥ ✸✿ P❤↔♥ ❜✐➺♥ ✤ë❝ ❧➟♣ ✶✿ P❤↔♥ ❜✐➺♥ ✤ë❝ ❧➟♣ ✷✿ ◆●×❮■ ❍×❰◆● ❉❼◆ P ỗ ▼✐♥❤ ✕ ◆➠♠ ✷✵✷✷ ho tro tai file : luanvanchat@gmail.com ▲í✐ ❝↔♠ ì♥ ◆❤í sü t➟♥ t➻♥❤ ❣✐ó♣ ✤ï ❝õ❛ trữớ t ổ ỗ ũ ợ ♥❤ú♥❣ ♥é ❧ü❝ ❝õ❛ ❜↔♥ t❤➙♥✱ ❝✉è✐ ❝ị♥❣ tỉ✐ ❝ơ♥❣ ❤♦➔♥ t❤➔♥❤ ✤÷đ❝ ❧✉➟♥ →♥ t✐➳♥ sÿ✳ ❚ỉ✐ ❦➼♥❤ ❣ð✐ tr qỵ t ổ st ❝ị♥❣ tỉ✐ tr➯♥ q✉➣♥❣ ✤÷í♥❣ ❤å❝ t➟♣ ✈➔ ♥❣❤✐➯♥ ❝ù✉✱ ❤♦➔♥ t❤✐➺♥ ❧✉➟♥ →♥✳ ❚ỉ✐ ❝ơ♥❣ ❦❤ỉ♥❣ q✉➯♥ ❝ỉ♥❣ ì♥ ●❙✳ ❚❙❑❍ ▲➯ ❱➠♥ ❍♦➔♥❣✳ ❚❤➛② ✤➣ tr✉②➲♥ ❝↔♠ ❤ù♥❣ ữợ tổ tr ữớ ự ổ ỡ tợ rữớ ữ P ỗ tỉ✐ sû ❞ư♥❣ ❤➺ ♠→② t➼♥❤ ❍P❈ ✈➔ ❝↔♠ ì♥ ❱✐➺♥ ◆➠♥❣ ❧÷đ♥❣ ♥❣✉②➯♥ tû ❱✐➺t ◆❛♠ t↕♦ ✤✐➲✉ ❦✐➺♥ ❤å❝ t➟♣ tèt ♥❤➜t ✤➸ tæ✐ ❤♦➔♥ t❤➔♥❤ ❧✉➟♥ →♥ ♥➔②✳ ❚ỉ✐ ❧✉ỉ♥ ❜✐➳t ì♥ ❣✐❛ ✤➻♥❤ ✤➣ ❝❤♦ tỉ✐ ❦❤♦↔♥❣ t❤í✐ ❣✐❛♥ ❝➛♥ t❤✐➳t ✤➸ tỉ✐ t➟♣ tr✉♥❣ ❤♦➔♥ t ữợ ỡ ỡ ữớ ❧✉ỉ♥ ✤ù♥❣ ❜➯♥ ❝↕♥❤ ❧ó❝ tỉ✐ ❣➦♣ ❦❤â ❦❤➠♥ ✈➔ ❝↔♠ ì♥ ❜↕♥ ❜➧ ✤➣ ❣â♣ ♠ët ♣❤➛♥ ♥➠♥❣ ❧÷đ♥❣ ú tổ t ọ ố ỗ ✹ t❤→♥❣ ✸ ♥➠♠ ✷✵✷✷ ✐ ho tro tai file : luanvanchat@gmail.com ▲í✐ ❝❛♠ ✤♦❛♥ ❚ỉ✐ ❝❛♠ ✤♦❛♥ ❧✉➟♥ →♥ ổ tr ự r tổ ữợ sỹ ữợ số ❧✐➺✉✱ ❦➳t q✉↔ ♥➯✉ tr♦♥❣ ❧✉➟♥ →♥ ❧➔ tr✉♥❣ t❤ü❝ ✈➔ ❝❤÷❛ ✤÷đ❝ ❝ỉ♥❣ ❜è tr♦♥❣ ❜➜t ❦ý ❝ỉ♥❣ tr➻♥❤ tổ ổ t ỵ t ho tro tai file : luanvanchat@gmail.com ▼ư❝ ❧ư❝ ▲í✐ ❝↔♠ ì♥ ✐ ▲í✐ ❝❛♠ ✤♦❛♥ ✐✐ ▼ư❝ ❧ư❝ ✐✐✐ ❉❛♥❤ s→❝❤ ❝❤ú ✈✐➳t t➢t ✈ ❉❛♥❤ s→❝❤ ❜↔♥❣ ✈✐✐ ❉❛♥❤ s→❝❤ ❤➻♥❤ ✈➩ ✈✐✐ ▼ð ✤➛✉ ❈❤÷ì♥❣ ✶ ✶ ❈❤✉②➸♥ ✤ë♥❣ ❦❤è✐ t➙♠ ❝õ❛ ♥❣✉②➯♥ tû tr♦♥❣ tø tr÷í♥❣ ✤➲✉ ✶✳✶ ❚ê♥❣ q✉❛♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✳✷ ❈❤✉②➸♥ ✤ë♥❣ ❦❤è✐ t➙♠ ❝õ❛ ♥❣✉②➯♥ tû ❤②❞r♦ tr♦♥❣ tø tr÷í♥❣ ✤➲✉ ✶✳✷✳✶ P❤÷ì♥❣ tr➻♥❤ ❙❝❤r☎♦❞✐♥❣❡r ❝❤♦ ♥❣✉②➯♥ tû ❤②❞r♦ tr♦♥❣ tø tr÷í♥❣ ✤➲✉ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✳✷✳✷ ❍❛♠✐❧t♦♥✐❛♥ tr♦♥❣ ❤➺ tå❛ ✤ë ❦❤è✐ t➙♠ ✈➔ ❝❤✉②➸♥ ✤ë♥❣ t÷ì♥❣ ✤è✐ ❣✐ú❛ ❡❧❡❝tr♦♥ ✈➔ ❧é trè♥❣ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✳✷✳✸ ❱➨❝✲tì ❣✐↔ ✤ë♥❣ ❧÷đ♥❣ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✳✷✳✹ ❚→❝❤ ❜✐➳♥ ❍❛♠✐❧t♦♥✐❛♥ ❜➡♥❣ ✈➨❝✲tì ❣✐↔ ✤ë♥❣ ❧÷đ♥❣ ✳ ✳ ✳ ✳ ✶✳✸ ❇➔♥ ✈➲ ↔♥❤ ❤÷ð♥❣ ✈✐➺❝ t→❝❤ ❝❤✉②➸♥ ✤ë♥❣ ❦❤è✐ t➙♠ ❝õ❛ ❡①❝✐t♦♥ ✶✳✹ ❑➳t ❧✉➟♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✸ ✶✹ ✶✻ ✶✻ ✷✵ ✷✷ ✷✼ ✸✷ ✸✼ ❈❤÷ì♥❣ ✷ ◆➠♥❣ ❧÷đ♥❣ ❝❤➼♥❤ ①→❝ ❝❛♦ ❝❤♦ ♥❣✉②➯♥ tû ❤②❞r♦ ð ♠ỉ✐ tr÷í♥❣ ♣❧❛s♠❛ ✤➦t tr♦♥❣ tø tr÷í♥❣ ✤➲✉ ✸✾ ✷✳✶ ❚ê♥❣ q✉❛♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✹✵ ✐✐✐ ho tro tai file : luanvanchat@gmail.com ✷✳✷ ◆❣✉②➯♥ tû ❤②❞r♦ tr♦♥❣ ♣❧❛s♠❛ ✤➦t tr♦♥❣ tø tr÷í♥❣ ✤➲✉ ✳ ✳ ✳ ✳ ✳ ✷✳✷✳✶ ❚❤➳ ❝❤➢♥ ❝õ❛ ✤✐➺♥ t➼❝❤ tr♦♥❣ ♣❧❛s♠❛ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✷✳✷ P❤÷ì♥❣ tr➻♥❤ ❙❝❤r☎ ♦❞✐♥❣❡r q✉❛ ❜✐➳♥ ✤ê✐ ❑✉st❛❛♥❤❡✐♠♦✲❙t✐❡❢❡❧ ✷✳✸ P❤÷ì♥❣ ♣❤→♣ ✤↕✐ sè ❣✐↔✐ ♣❤÷ì♥❣ tr➻♥❤ ❙❝❤r☎♦❞✐♥❣❡r ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✸✳✶ ❇✐➸✉ ❞✐➵♥ ✤↕✐ sè q✉❛ ❝→❝ t♦→♥ tû s✐♥❤✱ ❤õ② ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✸✳✷ ❇ë ❤➔♠ ❝ì sð ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✸✳✸ ❚➼♥❤ ❝→❝ ②➳✉ tè ♠❛ tr➟♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✹ ❑➳t q✉↔ sè ❝❤♦ ♥➠♥❣ ❧÷đ♥❣ ✈➔ ❤➔♠ sâ♥❣ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✹✳✶ ❙ü ❤ë✐ tư ❝õ❛ ❧í✐ ❣✐↔✐ sè ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✹✳✷ ◆➠♥❣ ❧÷đ♥❣ ✈➔ ❤➔♠ sâ♥❣ ♥❣✉②➯♥ tû ❤②❞r♦ tr♦♥❣ ♠ỉ✐ tr÷í♥❣ ♣❧❛s♠❛ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✺ ❑➳t ❧✉➟♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ❈❤÷ì♥❣ ✸ P❤÷ì♥❣ ♣❤→♣ t♦→♥ tû ❋❑ ❝❤♦ ❡①❝✐t♦♥ tr♦♥❣ ✤ì♥ ❧ỵ♣ ❚▼❉ ✤➦t tr♦♥❣ tø tr÷í♥❣ ✤➲✉ ✈➔ tr➼❝❤ ①✉➜t t❤ỉ♥❣ t✐♥ ❝➜✉ tró❝ tø ♣❤ê ♥➠♥❣ ❧÷đ♥❣ ✹✷ ✹✷ ✹✹ ✹✽ ✹✽ ✺✶ ✺✹ ✻✶ ✻✶ ✻✺ ✼✷ ✾✵ ✸✳✶ ❚ê♥❣ q✉❛♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✾✶ ✸✳✷ P❤÷ì♥❣ tr➻♥❤ ❙❝❤r☎♦❞✐♥❣❡r ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✾✺ ✸✳✸ ⑩♣ ❞ư♥❣ ♣❤÷ì♥❣ ♣❤→♣ t♦→♥ tû ❋❑ ❣✐↔✐ sè ♣❤÷ì♥❣ tr➻♥❤ ❙❝❤r☎ ♦❞✐♥❣❡r ✾✾ ✸✳✸✳✶ ❇✐➸✉ ❞✐➵♥ ✤↕✐ sè ❝õ❛ ♣❤÷ì♥❣ tr➻♥❤ ❙❝❤r☎ ♦❞✐♥❣❡r ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✾✾ ✸✳✸✳✷ ❇ë ❤➔♠ ❝ì sð ✈➔ ❝→❝ ②➳✉ tè ♠❛ tr➟♥ ❣✐↔✐ t➼❝❤ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✵✷ ✸✳✸✳✸ ◆❣❤✐➺♠ ❝❤➼♥❤ ①→❝ ❜➡♥❣ sè ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✵✼ ✸✳✹ ❑➳t q✉↔ ✈➔ t❤↔♦ ❧✉➟♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✵✽ ✸✳✹✳✶ ✣ë ♥❤↕② ❝õ❛ ♣❤ê ♥➠♥❣ ❧÷đ♥❣ ❡①❝✐t♦♥ ✤è✐ ✈ỵ✐ ❝→❝ t❤ỉ♥❣ sè ❝➜✉ tró❝ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✵✽ ✸✳✹✳✷ ❚r➼❝❤ ①✉➜t t❤ỉ♥❣ sè ❝➜✉ tró❝ ❝õ❛ ✤ì♥ ❧ỵ♣ ❚▼❉ tø ♣❤ê ♥➠♥❣ ❧÷đ♥❣ ❡①❝✐t♦♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✵✾ ✸✳✹✳✸ P❤ê ♥➠♥❣ ❧÷đ♥❣ ❡①❝✐t♦♥ ❝❤➼♥❤ ①→❝ ❝❛♦ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✶✺ ✸✳✺ ❑➳t ❧✉➟♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✶✽ ❑➳t ❧✉➟♥ ữợ t tr ổ tr ❧✐➯♥ q✉❛♥ ✤➳♥ ❧✉➟♥ →♥ ✶✷✸ ❚➔✐ ❧✐➺✉ t❤❛♠ ❦❤↔♦ ✶✷✺ P❤ö ❧ö❝ ✶✸✽ ✐✈ ho tro tai file : luanvanchat@gmail.com ❉❛♥❤ s→❝❤ ❝❤ú ✈✐➳t t➢t ❆s②♠♣t♦t✐❝ ■t❡r❛t✐♦♥ ▼❡t❤♦❞ ✣ì♥ ✈à ♥❣✉②➯♥ tû ❛t♦♠✐❝ ✉♥✐t ❉❋❚ ❉❡♥s✐t② ❋✉♥❝t✐♦♥❛❧ ❚❤❡♦r② ❉❱❘ ❉✐s❝r❡t❡ ❱❛r✐❛❜❧❡ ❘❡♣r❡s❡♥t❛t✐♦♥ ❊❈❙❈ ❚❤➳ ♠➔♥ ❝❤➢♥ ❈♦✉❧♦♠❜ ❞↕♥❣ ♠ô ✈➔ ❝♦s✐♥❡ ❊①♣♦♥❡♥t✐❛❧ ❈♦s✐♥❡ ❙❝r❡❡♥❡❞ ❈♦✉❧♦♠❜ ●❊❈❙❈ ❚❤➳ ♠➔♥ ❝❤➢♥ ❈♦✉❧♦♠❜ tê♥❣ q✉→t ❞↕♥❣ ♠ô ✈➔ ❝♦s✐♥❡ ●❡♥❡r❛❧✐③❡❞ ❊①♣♦♥❡♥t✐❛❧ ❈♦s✐♥❡ ❙❝r❡❡♥❡❞ ❈♦✉❧♦♠❜ ❍❋ ❍❛rtr❡❡ ❋♦❝❦ ❋❑ ❋❡r❛♥❝❤✉❦ ❛♥❞ ❑♦♠❛r♦✈ ▼●❊❈❙❈ ❚❤➳ ♠➔♥ ❝❤➢♥ ❈♦✉❧♦♠❜ tê♥❣ q✉→t ❞↕♥❣ ♠ô ✈➔ ❝♦s✐♥❡ ▼♦r❡ ●❡♥❡r❛❧✐③❡❞ ❊①♣♦♥❡♥t✐❛❧ ❈♦s✐♥❡ ❙❝r❡❡♥❡❞ ❈♦✉❧♦♠❜ ❚▼❉ ❑✐♠ ❧♦↕✐ ❝❤✉②➸♥ t✐➳♣ ✲ ♥❤à ♥❣✉②➯♥ tû ❝❤❛❧❝♦❣❡♥ ❚r❛♥s✐t✐♦♥ ▼❡t❛❧ ❉✐❝❤❛❧❝♦❣❡♥✐❞❡s ❙❱▼ ❙✐♠♣❧✐❢✐❡❞ ❱❛r✐❛t✐♦♥❛❧ ▼❡t❤♦❞ ❙❙❈ ❚❤➳ ♠➔♥ ❝❤➢♥ ❈♦✉❧♦♠❜ t➽♥❤ ❙t❛t✐❝ ❙❝r❡❡♥❡❞ ❈♦✉❧♦♠❜ ❆■▼ ❛✳✉✳ ✈ ho tro tai file : luanvanchat@gmail.com ❉❛♥❤ s→❝❤ ❜↔♥❣ ✷✳✶ ✷✳✷ ✷✳✸ ✷✳✹ ✷✳✺ ▼ù❝ ❝ì ❜↔♥ ❤ë✐ tư t❤❡♦ ❜➟❝ ❣➛♥ ✤ó♥❣ s ✈➔ ω ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ▼ù❝ 1s0 t❤❡♦ t❤❛♠ sè ♠➔♥ ❝❤➢♥ λ✱ b = c = 0✱ ✈➔ tø tr÷í♥❣ γ = ▼ù❝ 2s0 t❤❡♦ t❤❛♠ sè ♠➔♥ ❝❤➢♥ λ✱ b = c = 0✱ ✈➔ tø tr÷í♥❣ γ = ▼ù❝ 3s0 t❤❡♦ t❤❛♠ sè ♠➔♥ ❝❤➢♥ λ✱ b = c = 0✱ ✈➔ tø tr÷í♥❣ γ = ▼ù❝ 3d0 ✱ 4s0 ✈➔ 4d0 t❤❡♦ t❤❛♠ sè ♠➔♥ ❝❤➢♥ λ✱ b = c = 0✱ ✈➔ tø tr÷í♥❣ γ = ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✻ ▼ù❝ 2p0 ✱ 3p0 ✈➔ 4p0 t❤❡♦ t❤❛♠ sè ♠➔♥ ❝❤➢♥ λ✱ b = c = 0✱ ✈➔ tø tr÷í♥❣ γ = ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✼ ▼ù❝ 1s0 t❤❡♦ t❤❛♠ sè ♠➔♥ ❝❤➢♥ λ✱ b = 0✱ c = ✈➔ tø tr÷í♥❣ γ = ✷✳✽ ▼ù❝ 2s0 ✱ 3s0 ✈➔ 3d0 t❤❡♦ t❤❛♠ sè ♠➔♥ ❝❤➢♥ λ✱ b = 0✱ c = ✈➔ tø tr÷í♥❣ γ = ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✾ ▼ù❝ 1s0 ✱ 2s0 ✈➔ 3s0 t❤❡♦ t❤❛♠ sè c✱ b = 0✱ λ = 0.005 ✈➔ tø tr÷í♥❣ γ=0 ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✶✵▼ù❝ 1s0 ✱ 2s0 ✱ 3s0 ✈➔ 3d0 t❤❡♦ t❤❛♠ sè b✱ c = 1✱ λ = 0.005 ✈➔ tø tr÷í♥❣ γ = ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✶✶▼ù❝ 1s0 ✱ 2s0 ✱ 3s0 ✈➔ 3d0 t❤❡♦ t❤❛♠ sè λ✱ c = 1✱ b = 0.1 ✈➔ tø tr÷í♥❣ γ = ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✶✷▼ù❝ 1s0 ✱ 2s0 ✈➔ 2p0 t❤❡♦ tø tr÷í♥❣ γ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✶✸▼ù❝ 2p−1 ✱ 3p−1 ✈➔ 3d−1 t❤❡♦ tø tr÷í♥❣ γ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✶✹▼ù❝ 3d−2 ✱ 4d−2 ✈➔ 4f−2 t❤❡♦ tø tr÷í♥❣ γ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✶✺▼ù❝ 4f−3 ✱ 5f−3 ✈➔ 5g−3 t❤❡♦ tø tr÷í♥❣ γ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✳✶ ✸✳✷ ✸✳✸ ✸✳✹ ✸✳✺ ❈→❝ t❤❛♠ sè ❝➜✉ tró❝ ✳ ✳ ✳ ✳ ✳ ◆➠♥❣ ❧÷đ♥❣ ❝õ❛ ❝→❝ tr↕♥❣ t❤→✐ ◆➠♥❣ ❧÷đ♥❣ ❝õ❛ ❝→❝ tr↕♥❣ t❤→✐ ◆➠♥❣ ❧÷đ♥❣ ❝õ❛ ❝→❝ tr↕♥❣ t❤→✐ ◆➠♥❣ ❧÷đ♥❣ ❝õ❛ ❝→❝ tr↕♥❣ t❤→✐ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ 1s0 ✱ 2s0 ✈➔ 3s0 ✳ ✳ 4s0 ✱ 5s0 ✈➔ 6s0 ✳ ✳ 7s0 ✱ 8s0 ✈➔ 9s0 ✳ ✳ 2p−1 ✱ 3p−1 ✈➔ 4p−1 ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✈✐ ho tro tai file : luanvanchat@gmail.com ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✻✷ ✼✹ ✼✺ ✼✻ ✼✼ ✼✽ ✼✾ ✽✵ ✽✷ ✽✸ ✽✹ ✽✻ ✽✼ ✽✽ ✽✾ ✶✶✺ ✶✶✻ ✶✶✻ ✶✶✼ ✶✶✼ ❉❛♥❤ s→❝❤ ❤➻♥❤ ✈➩ ✶✳✶ ❚❤➳ ♥➠♥❣ ❤✐➺✉ ❞ö♥❣ ❡①❝✐t♦♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✺ ✷✳✶ ✷✳✷ ✷✳✸ ✷✳✹ ✷✳✺ ✻✸ ✻✹ ✻✻ ✻✽ ❙ü ♣❤ư t❤✉ë❝ ❝õ❛ ❜➟❝ ❣➛♥ ✤ó♥❣ (s) ✈➔♦ t❤❛♠ sè tü ❞♦ ω ✳ ✳ ✳ ✳ ✳ ❙ü ♣❤ư t❤✉ë❝ ♥➠♥❣ ❧÷đ♥❣ ❣➛♥ ✤ó♥❣ ✈➔♦ t❤❛♠ sè tü ❞♦ ω ✳ ✳ ✳ ✳ ✳ ❍➔♠ ❜→♥ ❦➼♥❤ R(r) ❝❤♦ tr↕♥❣ t❤→✐ 1s ✈➔ 2s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ P❤ê ♥➠♥❣ ❧÷đ♥❣ ❝õ❛ ❝→❝ tr↕♥❣ t❤→✐ n = 1, 2, ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ❚❤➳ ❤✐➺✉ ❞ư♥❣ t÷ì♥❣ t→❝ ❧➯♥ ❡❧❡❝tr♦♥ ð tr↕♥❣ t❤→✐ ❧✐➯♥ ❦➳t ✈ỵ✐ ❤↕t ♥❤➙♥ ♥❣✉②➯♥ tû ❤②❞r♦ ✤➦t tr♦♥❣ tø tr÷í♥❣✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✻ ❍➔♠ sâ♥❣ ψ (ρ, z = 0) ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✳✼ ỗ t sõ (, z ) ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✳✶ ❙ü ♣❤ư t❤✉ë❝ ❝õ❛ ♥➠♥❣ ❧÷đ♥❣ ❝❤✉②➸♥ t✐➳♣ ❣✐ú❛ ❝→❝ tr↕♥❣ t❤→✐ ✶s✱ ✷s ✈➔ ✸s ✈➔♦ ❝❤✐➲✉ ❞➔✐ ❝❤➢♥ r0 ✈➔ t✛ sè ❦❤è✐ ❧÷đ♥❣ ❤✐➺✉ ❞ư♥❣ ✈➔ ❦❤è✐ ữủ tr à/me = 0.2 ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ỹ tở ỗ tớ ✈➔♦ ❝❤✐➲✉ ❞➔✐ ❝❤➢♥ r0 ✈➔ t✛ sè ❦❤è✐ ❧÷đ♥❣ µ/me ❝õ❛ ✤ë ❧➺❝❤ ❣✐ú❛ ♣❤÷ì♥❣ ♣❤→♣ t♦→♥ tû ❋❑ ✈➔ t❤ü❝ ♥❣❤✐➺♠ ❝õ❛ ♥➠♥❣ ❧÷đ♥❣ ❝❤✉②➸♥ t✐➳♣ ✭✤ì♥ ✈à ❡❱✮ ❣✐ú❛ ❝→❝ tr↕♥❣ t❤→✐ ✶s✱ ✷s ✈➔ ✸s ✈ỵ✐ ❤➡♥❣ sè ✤✐➺♥ tr✉♥❣ ❜➻♥❤ κ = 4.5✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✳✸ ỹ tở tữỡ ố ỗ t❤í✐ ✈➔♦ ❝❤✐➲✉ ❞➔✐ ❝❤➢♥ r0 ✈➔ t✛ sè ❦❤è✐ ữủ à/me tr trữớ ủ số tr κ = 4.5 tø sè ❧✐➺✉ t❤ü❝ ♥❣❤✐➺♠✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✳✹ ❙ü ♣❤ư t❤✉ë❝ ❝õ❛ ✤ë ❧➺❝❤ t÷ì♥❣ ✤è✐ ε ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✈✐✐ ho tro tai file : luanvanchat@gmail.com ✻✾ ✼✵ ✼✶ ✶✶✵ ✶✶✷ ✶✶✸ ✶✶✹ ▼ð ✤➛✉ ✶✳ P❤÷ì♥❣ tr➻♥❤ ❙❝❤r☎♦❞✐♥❣❡r ❦❤ỉ♥❣ ♣❤ư t❤✉ë❝ t❤í✐ ❣✐❛♥ ✭❞ø♥❣✮ ✤÷đ❝ ❞ị♥❣ ✤➸ ♠ỉ t↔ t➼♥❤ ❝❤➜t ❝❤✉②➸♥ ✤ë♥❣ ❝õ❛ ❤➺ ❧÷đ♥❣ tû ð tr↕♥❣ t❤→✐ ❞ø♥❣✱ ♠ët tr↕♥❣ t❤→✐ q✉❛♥ trå♥❣ ✤÷đ❝ ♥❣❤✐➯♥ ❝ù✉ tr♦♥❣ ♣❤➛♥ ợ t t ỵ ổ ữớ t ❝❤➾ ❝â t❤➸ ❣✐↔✐ ❝❤➼♥❤ ①→❝ ♣❤÷ì♥❣ tr➻♥❤ ❙❝❤r☎♦❞✐♥❣❡r ❞ø♥❣ ởt số t t t ỵ ữủ tỷ ❝á♥ ❤➛✉ ❤➳t ❝→❝ ❜➔✐ t♦→♥ ❦❤→❝ ❝❤➾ ❣✐↔✐ ✤÷đ❝ ❜➡♥❣ ♣❤÷ì♥❣ ♣❤→♣ ❣➛♥ ✤ó♥❣✳ ▼ët sè ♣❤÷ì♥❣ ♣❤→♣ ❣➛♥ ✤ó♥❣ tr✉②➲♥ t❤è♥❣ ✈➔ ❦❤→ t❤ỉ♥❣ ❞ư♥❣ ❝❤♦ ✤➳♥ ❤✐➺♥ ♥❛② ❝â t❤➸ ❦➸ ✤➳♥ ♥❤÷ ♣❤÷ì♥❣ ♣❤→♣ ♥❤✐➵✉ ❧♦↕♥ ữỡ ố ợ t♦→♥ ❤➺ ♥❤✐➲✉ ❤↕t t❤➻ ♠ët sè ❣➛♥ ✤ó♥❣ ❦❤→❝ ữủ t ủ tr ữỡ tr ỵ t❤✉②➳t ♣❤✐➳♠ ❤➔♠ ♠➟t ✤ë ✭❞❡♥s✐t② ❢✉♥❝t✐♦♥❛❧ t❤❡♦r② ✲ ❉❋❚✮ ❬✾✕✶✸❪✳ ❈ị♥❣ ✈ỵ✐ t➼♥❤ ♣❤ê ❜✐➳♥ ✈➔ sü ♣❤→t tr✐➸♥ ♥❤❛♥❤ ❝❤â♥❣ ❝õ❛ ♠→② t➼♥❤ tr♦♥❣ ♥❤ú♥❣ ♥➠♠ ❣➛♥ ✤➙②✱ ❝→❝ ♣❤÷ì♥❣ ♣❤→♣ sè ✤÷đ❝ ♣❤→t tr✐➸♥ ✈➔ sû ❞ư♥❣ rë♥❣ r➣✐ ❞ü❛ tr➯♥ ❦❤❛✐ tr✐➸♥ ❤➔♠ sâ♥❣ t❤❡♦ ❝→❝ ❜ë ❤➔♠ ❝ì sð ❦❤→❝ ♥❤❛✉✳ ❚ø ✤➙②✱ ✈✐➺❝ ❣✐↔✐ ❝→❝ ♣❤÷ì♥❣ tr➻♥❤ sâ♥❣ ✤÷đ❝ ❝❤✉②➸♥ ✈➲ ❣✐↔✐ ❤➺ ♣❤÷ì♥❣ tr➻♥❤ ✤↕✐ sè t✉②➳♥ t➼♥❤ ❝❤♦ ❝→❝ ❤➺ sè ❦❤❛✐ tr✐➸♥✳ ❚ị② t❤❡♦ tø♥❣ ❜➔✐ t♦→♥ ❝ư t❤➸ ♠➔ ♥❣÷í✐ t❛ ❝❤å♥ ❜ë ❤➔♠ ❝ì sð t❤➼❝❤ ❤đ♣✳ ✣ë ❝❤➼♥❤ ①→❝ ❝õ❛ ♥❣❤✐➺♠ r✐➯♥❣ ♣❤ö t❤✉ë❝ ✈➔♦ sè ❤➔♠ sâ♥❣ ❝ì sð ✤÷đ❝ sû ❞ư♥❣ ❬✶✹❪✳ ◆❤ú♥❣ ♣❤÷ì♥❣ ♣❤→♣ sè t❤÷í♥❣ ✤÷đ❝ →♣ ❞ư♥❣ rë♥❣ r➣✐ ♣❤↔✐ ❦➸ ✤➳♥ ♣❤÷ì♥❣ ♣❤→♣ ❇✲s♣❧✐♥❡ ❬✶✺❪ ✈➔ ♣❤÷ì♥❣ ♣❤→♣ ❜✐➸✉ ❞✐➵♥ ❜✐➳♥ sè ❣✐→♥ ✤♦↕♥ ✭❞✐s❝r❡t❡ ✈❛r✐❛❜❧❡ r❡♣r❡s❡♥t❛t✐♦♥✮ ❬✶✻✱✶✼❪✳ ❚r♦♥❣ ❝→❝ ♣❤÷ì♥❣ ✶ ho tro tai file : luanvanchat@gmail.com ❬✶✵✾❪ ❇✳ ▼✐❛♦✱ ▲✳ ❋❡❞❡r✱ ❏✳ ❊✳ ❙❤r♦❝❦✱ ❆✳ ●♦❢❢✐♥✱ ❛♥❞ ❍✳ ▼✳ ▼✐❧❝❤❜❡r❣✱ ✏❖♣t✐✲ ❝❛❧ ❣✉✐❞✐♥❣ ✐♥ ♠❡t❡r✲s❝❛❧❡ ♣❧❛s♠❛ ✇❛✈❡❣✉✐❞❡s✱✑ P❤②s✐❝❛❧ ❘❡✈✐❡✇ ▲❡tt❡rs✱ ✈♦❧✳ ✶✷✺✱ ♣✳ ✵✼✹✽✵✶✱ ✷✵✷✵✳ ❬✶✶✵❪ ❆✳ ❈❤❡r♥✐❦♦✈✱ ❚✳ ❈✳ ❇❡r❦❡❧❜❛❝❤✱ ❍✳ ▼✳ ❍✐❧❧✱ ❆✳ ❘✐❣♦s✐✱ ❨✳ ▲✐✱ ❖✳ ❇✳ ❆s❧❛♥✱ ❉✳ ❘✳ ❘❡✐❝❤♠❛♥✱ ▼✳ ❙✳ ❍②❜❡rts❡♥✱ ❛♥❞ ❚✳ ❋✳ ❍❡✐♥③✱ ✏❊①❝✐t♦♥ ❜✐♥❞✐♥❣ ❡♥❡r❣② ❛♥❞ ♥♦♥❤②❞r♦❣❡♥✐❝ ❘②❞❜❡r❣ s❡r✐❡s ✐♥ ♠♦♥♦❧❛②❡r WS2 ✱✑ P❤②s✐❝❛❧ ❘❡✈✐❡✇ ▲❡tt❡rs✱ ✈♦❧✳ ✶✶✸✱ ♣✳ ✵✼✻✽✵✷✱ ✷✵✶✹✳ ❬✶✶✶❪ ❊✳ ❈♦✉rt❛❞❡✱ ▼✳ ❙❡♠✐♥❛✱ ▼✳ ▼❛♥❝❛✱ ▼✳ ▼✳ ●❧❛③♦✈✱ ❈✳ ❘♦❜❡rt✱ ❋✳ ❈❛❞✐③✱ ●✳ ❲❛♥❣✱ ❚✳ ❚❛♥✐❣✉❝❤✐✱ ❑✳ ❲❛t❛♥❛❜❡✱ ▼✳ P✐❡rr❡✱ ❲✳ ❊s❝♦❢❢✐❡r✱ ❊✳ ▲✳ ■✈❝❤❡♥❦♦✱ P✳ ❘❡♥✉❝❝✐✱ ❳✳ ▼❛r✐❡✱ ❚✳ ❆♠❛♥❞✱ ❛♥❞ ❇✳ ❯r❜❛s③❡❦✱ ✏❈❤❛r❣❡❞ ❡①❝✐t♦♥s ✐♥ ♠♦♥♦❧❛②❡r ❲❙❡2 ✿ ❊①♣❡r✐♠❡♥t ❛♥❞ t❤❡♦r②✱✑ P❤②s✐❝❛❧ ❘❡✈✐❡✇ ❇✱ ✈♦❧✳ ✾✻✱ ♣✳ ✵✽✺✸✵✷✱ ✷✵✶✼✳ ❬✶✶✷❪ ▼✳ ❉❛♥♦✈✐❝❤✱ ❱✳ ❩â❧②♦♠✐✱ ❛♥❞ ❱✳ ■✳ ❋❛❧✬❑♦✱ ✏❉❛r❦ tr✐♦♥s ❛♥❞ ❜✐❡①❝✐t♦♥s ✐♥ ❲❙2 ❛♥❞ ❲❙❡2 ♠❛❞❡ ❜r✐❣❤t ❜② ❡✲❡ s❝❛tt❡r✐♥❣✱✑ ❙❝✐❡♥t✐❢✐❝ ❘❡♣♦rts✱ ✈♦❧✳ ✼✱ ♣✳ ✶✱ ✷✵✶✼✳ ❬✶✶✸❪ ■✳ ❑②❧☎❛♥♣☎❛❛☎ ❛♥❞ ❍✳✲P✳ ❑♦♠s❛✱ ✏❇✐♥❞✐♥❣ ❡♥❡r❣✐❡s ♦❢ ❡①❝✐t♦♥ ❝♦♠♣❧❡①❡s ✐♥ tr❛♥s✐t✐♦♥ ♠❡t❛❧ ❞✐❝❤❛❧❝♦❣❡♥✐❞❡ ♠♦♥♦❧❛②❡rs ❛♥❞ ❡❢❢❡❝t ♦❢ ❞✐❡❧❡❝tr✐❝ ❡♥✈✐r♦♥♠❡♥t✱✑ P❤②s✐❝❛❧ ❘❡✈✐❡✇ ❇✱ ✈♦❧✳ ✾✷✱ ♣✳ ✷✵✺✹✶✽✱ ✷✵✶✺✳ ❬✶✶✹❪ ❩✳ ▲✐✱ ❚✳ ❲❛♥❣✱ ❩✳ ▲✉✱ ❈✳ ❏✐♥✱ ❨✳ ❈❤❡♥✱ ❨✳ ▼❡♥❣✱ ❩✳ ▲✐❛♥✱ ❚✳ ❚❛♥✐❣✉❝❤✐✱ ❑✳ ❲❛t❛♥❛❜❡✱ ❙✳ ❩❤❛♥❣✱ ❉✳ ❙♠✐r♥♦✈✱ ❛♥❞ ❙✳ ❋✳ ❙❤✐✱ ✏❘❡✈❡❛❧✐♥❣ t❤❡ ❜✐❡①✲ ❝✐t♦♥ ❛♥❞ tr✐♦♥✲❡①❝✐t♦♥ ❝♦♠♣❧❡①❡s ✐♥ ❇◆ ❡♥❝❛♣s✉❧❛t❡❞ ❲❙❡2 ✱✑ ◆❛t✉r❡ ❈♦♠♠✉♥✐❝❛t✐♦♥s✱ ✈♦❧✳ ✾✱ ♣✳ ✶✱ ✷✵✶✽✳ ❬✶✶✺❪ ❉✐♥❤ ❱❛♥ ❚✉❛♥✱ ▼✳ ❨❛♥❣✱ ❛♥❞ ❍✳ ❉❡r②✱ ✏❈♦✉❧♦♠❜ ✐♥t❡r❛❝t✐♦♥ ✐♥ ♠♦♥♦✲ ❧❛②❡r tr❛♥s✐t✐♦♥✲♠❡t❛❧ ❞✐❝❤❛❧❝♦❣❡♥✐❞❡s✱✑ P❤②s✐❝❛❧ ❘❡✈✐❡✇ ❇✱ ✈♦❧✳ ✾✽✱ ♣✳ ✶✷✺✸✵✽✱ ✷✵✶✽✳ ❬✶✶✻❪ ❙✳✲❨✳ ❈❤❡♥✱ ❩✳ ▲✉✱ ❚✳ ●♦❧❞st❡✐♥✱ ❏✳ ❚♦♥❣✱ ❆✳ ❈❤❛✈❡s✱ ❏✳ ❑✉♥st✲ ♠❛♥♥✱ ▲✳ ❙✳ ❘✳ ❈❛✈❛❧❝❛♥t❡✱ ❚✳ ❲♦✁③♥✐❛❦✱ ●✳ ❙❡✐❢❡rt✱ ❉✳ ❘✳ ❘❡✐❝❤♠❛♥✱ ❚✳ ❚❛♥✐❣✉❝❤✐✱ ❑✳ ❲❛t❛♥❛❜❡✱ ❉✳ ❙♠✐r♥♦✈✱ ❛♥❞ ❏✳ ❨❛♥✱ ✏▲✉♠✐♥❡s❝❡♥t ❡♠✐s✲ s✐♦♥ ♦❢ ❡①❝✐t❡❞ ❘②❞❜❡r❣ ❡①❝✐t♦♥s ❢r♦♠ ♠♦♥♦❧❛②❡r ❲❙❡2 ✱✑ ◆❛♥♦ ▲❡tt❡rs✱ ✈♦❧✳ ✶✾✱ ♣✳ ✷✹✻✹✱ ✷✵✶✾✳ ❬✶✶✼❪ ❏✳ ❍❛✈❡✱ ◆✳ ▼✳ P❡r❡s✱ ❛♥❞ ❚✳ ●✳ P❡❞❡rs❡♥✱ ✏❊①❝✐t♦♥✐❝ ♠❛❣♥❡t♦✲♦♣t✐❝s ✐♥ ♠♦♥♦❧❛②❡r tr❛♥s✐t✐♦♥ ♠❡t❛❧ ❞✐❝❤❛❧❝♦❣❡♥✐❞❡s✿ ❋r♦♠ ♥❛♥♦r✐❜❜♦♥s t♦ t✇♦✲ ❞✐♠❡♥s✐♦♥❛❧ r❡s♣♦♥s❡✱✑ P❤②s✐❝❛❧ ❘❡✈✐❡✇ ❇✱ ✈♦❧✳ ✶✵✵✱ ♣✳ ✶✱ ✷✵✶✾✳ ✶✸✺ ho tro tai file : luanvanchat@gmail.com ❬✶✶✽❪ ❉✐♥❤ ❱❛♥ ❚✉❛♥✱ ❆✳ ▼✳ ❏♦♥❡s✱ ▼✳ ❨❛♥❣✱ ❳✳ ❳✉✱ ❛♥❞ ❍✳ ❉❡r②✱ ✏❱✐r✲ t✉❛❧ ❚r✐♦♥s ✐♥ t❤❡ P❤♦t♦❧✉♠✐♥❡s❝❡♥❝❡ ♦❢ ▼♦♥♦❧❛②❡r ❚r❛♥s✐t✐♦♥✲▼❡t❛❧ ❉✐❝❤❛❧❝♦❣❡♥✐❞❡s✱✑ P❤②s✐❝❛❧ ❘❡✈✐❡✇ ▲❡tt❡rs✱ ✈♦❧✳ ✶✷✷✱ ♣✳ ✷✶✼✹✵✶✱ ✷✵✶✾✳ ❬✶✶✾❪ ❆✳ ❇r✉♠❜❡r❣✱ ❙✳ ▼✳ ❍❛r✈❡②✱ ❏✳ P✳ P❤✐❧❜✐♥✱ ❇✳ ❚✳ ❉✐r♦❧❧✱ ❇✳ ▲❡❡✱ ❙✳ ❆✳ ❈r♦♦❦❡r✱ ▼✳ ❘✳ ❲❛s✐❡❧❡✇s❦✐✱ ❊✳ ❘❛❜❛♥✐✱ ❛♥❞ ❘✳ ❉✳ ❙❝❤❛❧❧❡r✱ ✏❉❡t❡r✲ ♠✐♥❛t✐♦♥ ♦❢ t❤❡ ✐♥✲♣❧❛♥❡ ❡①❝✐t♦♥ r❛❞✐✉s ✐♥ ✷❉ ❈❞❙❡ ♥❛♥♦♣❧❛t❡❧❡ts ✈✐❛ ♠❛❣♥❡t♦✲♦♣t✐❝❛❧ s♣❡❝tr♦s❝♦♣②✱✑ ❆❈❙ ◆❛♥♦✱ ✈♦❧✳ ✶✸✱ ♣✳ ✽✺✽✾✱ ✷✵✶✾✳ P▼■❉✿ ✸✶✷✺✶✺✽✷✳ ❬✶✷✵❪ ▲✳ ❋❡rr❛r✐♦ ❛♥❞ ❉✳ ❚✳ ❲✐❝❦r❛♠❛s✐♥❣❤❡✱ ✏▼❛❣♥❡t✐❝ ❢✐❡❧❞s ❛♥❞ r♦t❛t✐♦♥ ✐♥ ✇❤✐t❡ ❞✇❛r❢s ❛♥❞ ♥❡✉tr♦♥ st❛rs✱✑ ▼♦♥t❤❧② ◆♦t✐❝❡s ♦❢ t❤❡ ❘♦②❛❧ ❆str♦✲ ♥♦♠✐❝❛❧ ❙♦❝✐❡t②✱ ✈♦❧✳ ✸✺✻✱ ♣✳ ✻✶✺✱ ✷✵✵✺✳ ❬✶✷✶❪ ❏✳ ◆♦r❞❤❛✉s✱ ❙✳ ❲❡❧❧♦♥s✱ ❉✳ ❙✳ ❙♣✐❡❣❡❧✱ ❇✳ ❉✳ ▼❡t③❣❡r✱ ❛♥❞ ❊✳ ●✳ ❇❧❛❝❦✲ ♠❛♥✱ ✏❋♦r♠❛t✐♦♥ ♦❢ ❤✐❣❤✲❢✐❡❧❞ ♠❛❣♥❡t✐❝ ✇❤✐t❡ ❞✇❛r❢s ❢r♦♠ ❝♦♠♠♦♥ ❡♥✲ ✈❡❧♦♣❡s✱✑ Pr♦❝❡❡❞✐♥❣s ♦❢ t❤❡ ◆❛t✐♦♥❛❧ ❆❝❛❞❡♠② ♦❢ ❙❝✐❡♥❝❡s✱ ✈♦❧✳ ✶✵✽✱ ♣✳ ✸✶✸✺✱ ✷✵✶✶✳ ❬✶✷✷❪ ❇✳ ❋r❛♥③♦♥ ❛♥❞ ❙✳ ❙❝❤r❛♠♠✱ ✏❊❢❢❡❝ts ♦❢ ♠❛❣♥❡t✐❝ ❢✐❡❧❞s ✐♥ ✇❤✐t❡ ❞✇❛r❢s✱✑ ❏♦✉r♥❛❧ ♦❢ P❤②s✐❝s✿ ❈♦♥❢❡r❡♥❝❡ ❙❡r✐❡s✱ ✈♦❧✳ ✽✻✶✱ ✷✵✶✼✳ ❬✶✷✸❪ ❍✳ ❇✳ ❘✐❝❤❡r✱ ❘✳ ❑❡rr✱ ❏✳ ❍❡②❧✱ ■✳ ❈❛✐❛③③♦✱ ❏✳ ❈✉♠♠✐♥❣s✱ P✳ ❇❡r❣❡r♦♥✱ ❛♥❞ P✳ ❉✉❢♦✉r✱ ✏❆ ▼❛ss✐✈❡ ▼❛❣♥❡t✐❝ ❍❡❧✐✉♠ ❆t♠♦s♣❤❡r❡ ❲❤✐t❡ ❉✇❛r❢ ❇✐♥❛r② ✐♥ ❛ ❨♦✉♥❣ ❙t❛r ❈❧✉st❡r✱✑ ❚❤❡ ❆str♦♣❤②s✐❝❛❧ ❏♦✉r♥❛❧✱ ✈♦❧✳ ✽✽✵✱ ♣✳ ✼✺✱ ✷✵✶✾✳ ❬✶✷✹❪ ▲✳ ❱✳ ❑❡❧❞②s❤✱ ✏❈♦✉❧♦♠❜ ✐♥t❡r❛❝t✐♦♥ ✐♥ t❤✐♥ s❡♠✐❝♦♥❞✉❝t♦r ❛♥❞ s❡♠✐♠❡t❛❧ ❢✐❧♠s✱✑ ❏❊❚P ▲❡tt❡rs✱ ✈♦❧✳ ✷✾✱ ♣✳ ✻✺✽✱ ✶✾✼✾✳ ❬✶✷✺❪ ❚✳ ❈✳ ❇❡r❦❡❧❜❛❝❤✱ ▼✳ ❙✳ ❍②❜❡rts❡♥✱ ❛♥❞ ❉✳ ❘✳ ❘❡✐❝❤♠❛♥✱ ✏❚❤❡♦r② ♦❢ ♥❡✉tr❛❧ ❛♥❞ ❝❤❛r❣❡❞ ❡①❝✐t♦♥s ✐♥ ♠♦♥♦❧❛②❡r tr❛♥s✐t✐♦♥ ♠❡t❛❧ ❞✐❝❤❛❧❝♦✲ ❣❡♥✐❞❡s✱✑ P❤②s✐❝❛❧ ❘❡✈✐❡✇ ❇✱ ✈♦❧✳ ✽✽✱ ♣✳ ✵✹✺✸✶✽✱ ✷✵✶✸✳ ❬✶✷✻❪ ◆❣♦❝✲❚r❛♠ ❉✳ ❍♦❛♥❣✱ ❉✉②✲◆❤❛t ▲②✱ ❛♥❞ ❱❛♥✲❍♦❛♥❣ ▲❡✱ ✏❈♦♠♠❡♥t ♦♥ ✏❊①❝✐t♦♥s✱ tr✐♦♥s✱ ❛♥❞ ❜✐❡①❝✐t♦♥s ✐♥ tr❛♥s✐t✐♦♥✲♠❡t❛❧ ❞✐❝❤❛❧❝♦❣❡♥✐❞❡s✿ ▼❛❣♥❡t✐❝✲❢✐❡❧❞ ❞❡♣❡♥❞❡♥❝❡✑✱✑ P❤②s✐❝❛❧ ❘❡✈✐❡✇ ❇✱ ✈♦❧✳ ✶✵✶✱ ♣✳ ✶✷✼✹✵✶✱ ✷✵✷✵✳ ❬✶✷✼❪ ❉✉②✲◆❤❛t ▲②✱ ◆❣♦❝✲❚r❛♠ ❉✳ ❍♦❛♥❣✱ ❛♥❞ ❱❛♥✲❍♦❛♥❣ ▲❡✱ ✏❍✐❣❤❧② ❛❝❝✉✲ r❛t❡ ❡♥❡r❣✐❡s ♦❢ ❛ ♣❧❛s♠❛✲❡♠❜❡❞❞❡❞ ❤②❞r♦❣❡♥ ❛t♦♠ ✐♥ ❛ ✉♥✐❢♦r♠ ♠❛❣✲ ♥❡t✐❝ ❢✐❡❧❞✱✑ P❤②s✐❝s ♦❢ P❧❛s♠❛s✱ ✈♦❧✳ ✷✽✱ ♣✳ ✵✻✸✸✵✶✱ ✷✵✷✶✳ ✶✸✻ ho tro tai file : luanvanchat@gmail.com ❬✶✷✽❪ ❲✳ ❘☎♦s♥❡r✱ ●✳ ❲✉♥♥❡r✱ ❍✳ ❍❡r♦❧❞✱ ❛♥❞ ❍✳ ❘✉❞❡r✱ ✏❍②❞r♦❣❡♥ ❛t♦♠s ✐♥ ❛r❜✐tr❛r② ♠❛❣♥❡t✐❝ ❢✐❡❧❞s✳ ■✳ ❊♥❡r❣② ❧❡✈❡❧s ❛♥❞ ✇❛✈❡❢✉♥❝t✐♦♥s✱✑ ❏♦✉r♥❛❧ ♦❢ P❤②s✐❝s ❇✿ ❆t♦♠✐❝ ❛♥❞ ▼♦❧❡❝✉❧❛r P❤②s✐❝s✱ ✈♦❧✳ ✶✼✱ ♣✳ ✷✾✱ ✶✾✽✹✳ ❬✶✷✾❪ ❲✳ ❇❡❝❦❡♥✱ P✳ ❙❝❤♠❡❧❝❤❡r✱ ❛♥❞ ❋✳ ❑✳ ❉✐❛❦♦♥♦s✱ ✏❚❤❡ ❤❡❧✐✉♠ ❛t♦♠ ✐♥ ❛ str♦♥❣ ♠❛❣♥❡t✐❝ ❢✐❡❧❞✱✑ ❏♦✉r♥❛❧ ♦❢ P❤②s✐❝s ❇✿ ❆t♦♠✐❝✱ ▼♦❧❡❝✉❧❛r ❛♥❞ ❖♣t✐❝❛❧ P❤②s✐❝s✱ ✈♦❧✳ ✸✷✱ ♣✳ ✶✺✺✼✱ ✶✾✾✾✳ ❬✶✸✵❪ ❆✳ P✳ ■❣♦s❤❡✈✱ ❙✳ ❇✳ P♦♣♦✈✱ ❛♥❞ ❘✳ ❍♦❧❧❡r❜❛❝❤✱ ✏❊✈♦❧✉t✐♦♥ ♦❢ ♥❡✉tr♦♥ st❛r ♠❛❣♥❡t✐❝ ❢✐❡❧❞s✱✑ ❯♥✐✈❡rs❡✱ ✈♦❧✳ ✼✱ ♣✳ ✶✱ ✷✵✷✶✳ ❬✶✸✶❪ ❚✳ ❇❛rts❝❤✱ ✏❚❤❡ ❑✉st❛❛♥❤❡✐♠♦✕❙t✐❡❢❡❧ tr❛♥s❢♦r♠❛t✐♦♥ ✐♥ ❣❡♦♠❡tr✐❝ ❛❧❣❡❜r❛✱✑ ❏♦✉r♥❛❧ ♦❢ P❤②s✐❝s ❆✿ ▼❛t❤❡♠❛t✐❝❛❧ ❛♥❞ ●❡♥❡r❛❧✱ ✈♦❧✳ ✸✻✱ ♣✳ ✻✾✻✸✱ ✷✵✵✸✳ ❬✶✸✷❪ ▼✳ ❑✳ ❇❛❤❛r ❛♥❞ ❆✳ ❙♦②❧✉✱ ✏Pr♦❜❡ ♦❢ ❤②❞r♦❣❡♥ ❛t♦♠ ✐♥ ♣❧❛s♠❛s ✇✐t❤ ♠❛❣♥❡t✐❝✱ ❡❧❡❝tr✐❝✱ ❛♥❞ ❆❤❛r♦♥♦✈✲❇♦❤♠ ❢❧✉① ❢✐❡❧❞s✱✑ P❤②s✐❝s ♦❢ P❧❛s♠❛s✱ ✈♦❧✳ ✷✸✱ ♣✳ ✵✾✷✼✶✷✱ ✷✵✶✻✳ ❬✶✸✸❪ ●✳ P✳ ❙❛s♠❛❧✱ ✏❖♥ ❝♦♠♣✉t❛t✐♦♥ ❢♦r ❛ ❤②❞r♦❣❡♥ ❛t♦♠ ✐♥ ❛r❜✐tr❛r② ♠❛❣✲ ♥❡t✐❝ ❢✐❡❧❞s ✉s✐♥❣ ❢✐♥✐t❡ ✈♦❧✉♠❡ ♠❡t❤♦❞✱✑ ❏♦✉r♥❛❧ ♦❢ ❆t♦♠✐❝ ❛♥❞ ▼♦❧❡❝✲ ✉❧❛r ❙❝✐❡♥❝❡s✱ ✈♦❧✳ ✺✱ ♣✳ ✶✽✼✱ ✷✵✶✹✳ ❬✶✸✹❪ ❏✳ ❋r❡♥❦❡❧✱ ✏❖♥ t❤❡ tr❛♥s❢♦r♠❛t✐♦♥ ♦❢ ❧✐❣❤t ✐♥t♦ ❤❡❛t ✐♥ s♦❧✐❞s✳ ✐✱✑ P❤②s✐❝❛❧ ❘❡✈✐❡✇ ❏♦✉r♥❛❧s ❆r❝❤✐✈❡✱ ✈♦❧✳ ✸✼✱ ♣✳ ✶✼✱ ✶✾✸✶✳ ❬✶✸✺❪ ●✳ ❍✳ ❲❛♥♥✐❡r✱ ✏❚❤❡ str✉❝t✉r❡ ♦❢ ❡❧❡❝tr♦♥✐❝ ❡①❝✐t❛t✐♦♥ ❧❡✈❡❧s ✐♥ ✐♥s✉❧❛t✐♥❣ ❝r②st❛❧s✱✑ P❤②s✐❝❛❧ ❘❡✈✐❡✇ ❏♦✉r♥❛❧s ❆r❝❤✐✈❡✱ ✈♦❧✳ ✺✷✱ ♣✳ ✶✾✶✱ ✶✾✸✼✳ ❬✶✸✻❪ ◆✳ ❙✳ ❘②t♦✈❛✱ ✏❚❤❡ s❝r❡❡♥❡❞ ♣♦t❡♥t✐❛❧ ♦❢ ❛ ♣♦✐♥t ❝❤❛r❣❡ ✐♥ ❛ t❤✐♥ ❢✐❧♠✱✑ ▼♦s❝♦✇ ❯♥✐✈❡rs✐t② P❤②s✐❝s ❇✉❧❧❡t✐♥✱ ✈♦❧✳ ✸✱ ♣✳ ✶✽✱ ✶✾✻✼✳ ❬✶✸✼❪ P✳ ❈✉❞❛③③♦✱ ■✳ ❱✳ ❚♦❦❛t❧②✱ ❛♥❞ ❆✳ ❘✉❜✐♦✱ ✏❉✐❡❧❡❝tr✐❝ s❝r❡❡♥✐♥❣ ✐♥ t✇♦✲ ❞✐♠❡♥s✐♦♥❛❧ ✐♥s✉❧❛t♦rs✿ ■♠♣❧✐❝❛t✐♦♥s ❢♦r ❡①❝✐t♦♥✐❝ ❛♥❞ ✐♠♣✉r✐t② st❛t❡s ✐♥ ❣r❛♣❤❛♥❡✱✑ P❤②s✐❝❛❧ ❘❡✈✐❡✇ ❇✱ ✈♦❧✳ ✽✹✱ ♣✳ ✵✽✺✹✵✻✱ ✷✵✶✶✳ ❬✶✸✽❪ ❉✳ ❲✐❝❦r❛♠❛r❛t♥❡✱ ❋✳ ❩❛❤✐❞✱ ❛♥❞ ❘✳ ❑✳ ▲❛❦❡✱ ✏❊❧❡❝tr♦♥✐❝ ❛♥❞ t❤❡r♠♦✲ ❡❧❡❝tr✐❝ ♣r♦♣❡rt✐❡s ♦❢ ❢❡✇✲❧❛②❡r tr❛♥s✐t✐♦♥ ♠❡t❛❧ ❞✐❝❤❛❧❝♦❣❡♥✐❞❡s✱✑ ❚❤❡ ❏♦✉r♥❛❧ ♦❢ ❈❤❡♠✐❝❛❧ P❤②s✐❝s✱ ✈♦❧✳ ✶✹✵✱ ♣✳ ✶✷✹✼✶✵✱ ✷✵✶✹✳ ❬✶✸✾❪ ❆✳ ❑♦r♠→♥②♦s✱ ●✳ ❇✉r❦❛r❞✱ ▼✳ ●♠✐tr❛✱ ❏✳ ❋❛❜✐❛♥✱ ❱✳ ❩â❧②♦♠✐✱ ◆✳ ❉✳ ❉r✉♠♠♦♥❞✱ ❛♥❞ ❱✳ ❋❛❧✬❦♦✱ ✏❈♦rr✐❣❡♥❞✉♠✿ ❦✳♣ t❤❡♦r② ❢♦r t✇♦✲ ❞✐♠❡♥s✐♦♥❛❧ tr❛♥s✐t✐♦♥ ♠❡t❛❧ ❞✐❝❤❛❧❝♦❣❡♥✐❞❡ s❡♠✐❝♦♥❞✉❝t♦rs ✭✷✵✶✺ ✷❞ ♠❛t❡r✳ ✷ ✵✷✷✵✵✶✮✱✑ ✷❉ ▼❛t❡r✐❛❧s✱ ✈♦❧✳ ✷✱ ♣✳ ✵✹✾✺✵✶✱ ✷✵✶✺✳ ✶✸✼ ho tro tai file : luanvanchat@gmail.com ❬✶✹✵❪ ❆✳ ❘❛❥❛✱ ❆✳ ❈❤❛✈❡s✱ ❏✳ ❨✉✱ ●✳ ❆r❡❢❡✱ ❍✳ ▼✳ ❍✐❧❧✱ ❆✳ ❋✳ ❘✐❣♦s✐✱ ❚✳ ❈✳ ❇❡r❦❡❧❜❛❝❤✱ P✳ ◆❛❣❧❡r✱ ❈✳ ❙❝❤☎ ✉❧❧❡r✱ ❚✳ ❑♦r♥✱ ❈✳ ◆✉❝❦♦❧❧s✱ ❏✳ ❍♦♥❡✱ ▲✳ ❊✳ ❇r✉s✱ ❚✳ ❋✳ ❍❡✐♥③✱ ❉✳ ❘✳ ❘❡✐❝❤♠❛♥✱ ❛♥❞ ❆✳ ❈❤❡r♥✐❦♦✈✱ ✏❈♦✉❧♦♠❜ ❡♥✲ ❣✐♥❡❡r✐♥❣ ♦❢ t❤❡ ❜❛♥❞❣❛♣ ❛♥❞ ❡①❝✐t♦♥s ✐♥ t✇♦✲❞✐♠❡♥s✐♦♥❛❧ ♠❛t❡r✐❛❧s✱✑ ◆❛t✉r❡ ❈♦♠♠✉♥✐❝❛t✐♦♥s✱ ✈♦❧✳ ✽✱ ♣✳ ✶✱ ✷✵✶✼✳ ❬✶✹✶❪ ❚✳ ❈✳ ❇❡r❦❡❧❜❛❝❤ ❛♥❞ ❉✳ ❘✳ ❘❡✐❝❤♠❛♥✱ ✏❖♣t✐❝❛❧ ❛♥❞ ❡①❝✐t♦♥✐❝ ♣r♦♣❡rt✐❡s ♦❢ ❛t♦♠✐❝❛❧❧② t❤✐♥ tr❛♥s✐t✐♦♥✲♠❡t❛❧ ❞✐❝❤❛❧❝♦❣❡♥✐❞❡s✱✑ ❆♥♥✉❛❧ ❘❡✈✐❡✇ ♦❢ ❈♦♥❞❡♥s❡❞ ▼❛tt❡r P❤②s✐❝s✱ ✈♦❧✳ ✾✱ ♣✳ ✸✼✾✱ ✷✵✶✽✳ ❬✶✹✷❪ ❆✳ ❱✳ ❙t✐❡r✱ ◆✳ P✳ ❲✐❧s♦♥✱ ●✳ ❈❧❛r❦✱ ❳✳ ❳✉✱ ❛♥❞ ❙✳ ❆✳ ❈r♦♦❦❡r✱ ✏Pr♦❜✐♥❣ t❤❡ ✐♥❢❧✉❡♥❝❡ ♦❢ ❞✐❡❧❡❝tr✐❝ ❡♥✈✐r♦♥♠❡♥t ♦♥ ❡①❝✐t♦♥s ✐♥ ♠♦♥♦❧❛②❡r WSe2 ✿ ■♥s✐❣❤t ❢r♦♠ ❤✐❣❤ ♠❛❣♥❡t✐❝ ❢✐❡❧❞s✱✑ ◆❛♥♦ ▲❡tt❡rs✱ ✈♦❧✳ ✶✻✱ ♣✳ ✼✵✺✹✱ ✷✵✶✻✳ ❬✶✹✸❪ ❏✳ ❩✐♣❢❡❧✱ ❏✳ ❍♦❧❧❡r✱ ❆✳ ❆✳ ▼✐t✐♦❣❧✉✱ ▼✳ ❱✳ ❇❛❧❧♦tt✐♥✱ P✳ ◆❛❣❧❡r✱ ❆✳ ❱✳ ❙t✐❡r✱ ❚✳ ❚❛♥✐❣✉❝❤✐✱ ❑✳ ❲❛t❛♥❛❜❡✱ ❙✳ ❆✳ ❈r♦♦❦❡r✱ P✳ ❈✳ ▼✳ ❈❤r✐st✐❛♥❡♥✱ ❚✳ ❑♦r♥✱ ❛♥❞ ❆✳ ❈❤❡r♥✐❦♦✈✱ ✏❙♣❛t✐❛❧ ❡①t❡♥t ♦❢ t❤❡ ❡①❝✐t❡❞ ❡①❝✐t♦♥ st❛t❡s ✐♥ ws2 ♠♦♥♦❧❛②❡rs ❢r♦♠ ❞✐❛♠❛❣♥❡t✐❝ s❤✐❢ts✱✑ P❤②s✐❝❛❧ ❘❡✈✐❡✇ ❇✱ ✈♦❧✳ ✾✽✱ ♣✳ ✵✼✺✹✸✽✱ ✷✵✶✽✳ ❬✶✹✹❪ ❆✳ ❱✳ ❙t✐❡r✱ ❑✳ ▼✳ ▼❝❈r❡❛r②✱ ❇✳ ❚✳ ❏♦♥❦❡r✱ ❏✳ ❑♦♥♦✱ ❛♥❞ ❙✳ ❆✳ ❈r♦♦❦❡r✱ ✏❊①❝✐t♦♥ ❞✐❛♠❛❣♥❡t✐❝ s❤✐❢ts ❛♥❞ ✈❛❧❧❡② ❩❡❡♠❛♥ ❡❢❢❡❝ts ✐♥ ♠♦♥♦❧❛②❡r ❲❙2 ❛♥❞ ▼♦❙2 t♦ 65 ❚❡s❧❛✱✑ ◆❛t✉r❡ ❈♦♠♠✉♥✐❝❛t✐♦♥s✱ ✈♦❧✳ ✼✱ ♣✳ ✶✵✻✹✸✱ ✷✵✶✻✳ ❬✶✹✺❪ ❆✳ P✳ Pr✉❞♥✐❦♦✈✱ ❨✳ ❆✳ ❇r②❝❤❦♦✈✱ ❛♥❞ ❖✳ ■✳ ▼❛r✐❝❤❡✈✱ ■♥t❡❣r❛❧s ❛♥❞ ❙❡✲ r✐❡s✱ ✈♦❧✳ ✺✿ ■♥✈❡rs❡ ▲❛♣❧❛❝❡ ❚r❛♥s❢♦r♠s✳ ◆❡✇ ❨♦r❦✿ ●♦r❞♦♥ ❛♥❞ ❇r❡❛❝❤ ❙❝✐❡♥❝❡ P✉❜❧✐s❤❡rs✱ ✶✾✾✷✳ ✶✸✽ ho tro tai file : luanvanchat@gmail.com P❤ö ❧ö❝ ❆ ❍❛♠✐❧t♦♥✐❛♥ ♥❣✉②➯♥ tû ❤②❞r♦ tr♦♥❣ tå❛ ✤ë ❦❤è✐ t➙♠ ✈➔ t÷ì♥❣ ✤è✐ ❙û ❞ư♥❣ ❝→❝ ❜✐➸✉ t❤ù❝ ð ✭✶✳✶✷✮✱ ✭✶✳✶✸✮ ✈➔ ✭✶✳✶✹✮ t❛ ❝â t❤➸ ❝❤✉②➸♥ tø♥❣ ♥❤â♠ t♦→♥ tû tr♦♥❣ ❍❛♠✐❧t♦♥✐❛♥ ✭✶✳✻✮ ✈➲ tå❛ ✤ë ❦❤è✐ t➙♠ ✈➔ t÷ì♥❣ ✤è✐ R, r ✳ ✭✐✮ ◆❤â♠ 2me pe + 2m1 h ph ❚ø ❜✐➸✉ t❤ù❝ ✭✶✳✶✹✮ t❛ ❝â ∆e = ∇e ∇e = ∆h = ∇h ∇h = me (mh + me ) ∆ + ∆r + R 2me ∇R ∇r , mh + me ∆R + ∆r − 2mh ∇ R ∇ r mh + me mh 2 (mh + me ) ✶✸✾ ho tro tai file : luanvanchat@gmail.com ✣❡♠ t❤➳ ✈➔♦ ❜✐➸✉ t❤ù❝ ❝➛♥ t➼♥❤✱ t❛ t❤✉ ✤÷đ❝ 2me pˆ2e + 2mh pˆ2h = − 2me ∆e − 2mh ∆h 2 ∆R − = − 2(mh + me ) ˆ2 pˆ = P + 2M 2µ me + mh ∆r ✭❆✳✶✮ ❚r♦♥❣ ✤â✱ M ❧➔ ❦❤è✐ ❧÷đ♥❣ ❤✐➺✉ ❞ư♥❣ ❝õ❛ ❦❤è✐ t➙♠ ❡①❝✐t♦♥ ✈➔ µ ❧➔ ❦❤è✐ ❧÷đ♥❣ rót ❣å♥ ❝õ❛ ❤➺ ❡❧❡❝tr♦♥ ✲ ❧é trè♥❣ ❝â ợ ố ữủ tr ❧é trè♥❣ ♥❤÷ s❛✉✿ M = mh + me , µ = me + mh , ✈➔ Pˆ ✱ pˆ ❧➔ ✤ë♥❣ ❧÷đ♥❣ ❝õ❛ ❦❤è✐ t➙♠ ✈➔ ✤ë♥❣ ❧÷đ♥❣ ❝❤✉②➸♥ ✤ë♥❣ t÷ì♥❣ ✤è✐ ❝õ❛ ❤➺ ❡❧❡❝tr♦♥ ✲ ❧é trè♥❣✳ ✭✐✐✮ ◆❤â♠ eB ˆ 2me lez − eB ˆ 2mh lhz ❚ø ♣❤÷ì♥❣ tr➻♥❤ ✭✶✳✶✸✮ ✈➔ ✭✶✳✶✹✮✱ t❛ ❝â ˆlez = −i xe = −i xe ˆlhz = −i xh = −i xh ∂ ∂ − ye ∂ye ∂xe me ∂ ∂ + mh + me ∂Y ∂y + i ye me ∂ ∂ + mh + me ∂X ∂x , ∂ ∂ − yh ∂yh ∂xh mh ∂ ∂ − mh + me ∂Y ∂y + i yh mh ∂ ∂ − mh + me ∂X ∂x ✶✹✵ ho tro tai file : luanvanchat@gmail.com , ❞➝♥ ✤➳♥ ˆ ˆ lez − lhz = me mh i xh − xe ∂ −i mh + me ∂Y −i xe x + h me mh yh − ye ∂ +i mh + me ∂X ∂ ∂y ye y + h me mh ∂ ∂x ✭❆✳✷✮ ❚ø ♣❤➨♣ ❜✐➳♥ ✤ê✐ tå❛ ✤ë ✭✶✳✶✸✮✱ t❛ ❝â xh − xe = −x, yh − ye = −y, xe x mh − me + h = x + X, me mh me mh µ mh − me ye yh = y + Y + me mh me mh µ ✭❆✳✸✮ ❚❤❛② ✭❆✳✸✮ ✈➔♦ ✭❆✳✷✮ t❛ t❤✉ ✤÷đ❝ eB ˆ eB ∂ ∂ eB ˆ lhz = − i x −y lez − 2me 2mh 2M ∂Y ∂X (m − me ) ˆ + h eB lz , 2me mh − eB i 2µ X ∂ ∂ −Y ∂y ∂x ✭❆✳✹✮ tr♦♥❣ ✤â ˆlz = xpˆy − y pˆx = −i x ∂ ∂ −y ∂y ∂x ✭❆✳✺✮ ❧➔ t♦→♥ tû ♠♦♠❡♥t ✤ë♥❣ ❧÷đ♥❣ ❝õ❛ ❝❤✉②➸♥ ✤ë♥❣ t÷ì♥❣ ✤è✐ ❡❧❡❝tr♦♥ ✲ ❧é trè♥❣ t❤❡♦ trö❝ Oz ✳ ✶✹✶ ho tro tai file : luanvanchat@gmail.com ✭✐✐✐✮ ◆❤â♠ e2 2 8me B (xe + ye2 ) + 8emh B (x2h + yh2 ) ❙û ❞ö♥❣ ♣❤➨♣ ❜✐➳♥ ✤ê✐ tå❛ ✤ë ✭✶✳✶✸✮ t❛ t➼♥❤ ❝→❝ ✤↕✐ ❧÷đ♥❣ ♥❤÷ s❛✉✿ me x2e + mh x2h = = me ye2 + mh yh2 = = me µ X2 + me µ X+ mh + me + x X− mh me mh + me x mh + me − me mh mh − me x + 2xX, me mh me mh (mh + me ) Y + Y2+ mh mh mh + me y + mh Y − me mh + me y mh + me − me mh mh − me y + 2yY me mh me mh (mh + me ) ❙❛✉ ✤â✱ tê♥❣ ❤đ♣ ❧↕✐ t❤✉ ✤÷đ❝ me (x2e + ye2 ) + mh mh − me 2(xX + yY ) µ me mh mh + me − me mh (x + y ) + me mh (mh + me ) m − me = (X + Y ) + h 2(xX + yY ) µ me mh (x2h + yh2 ) = (X + Y ) + + (x2 + y ) − (x2 + y ) µ M ✈➔ ❝✉è✐ ❝ị♥❣ t❛ t❤✉ ❣å♥ t❤➔♥❤ e2 2 e2 2 B (xe + ye2 ) + B (xh + yh2 ) = ✭❆✳✻✮ 8me 8mh e2 B m − me − (x2 + y ) + (X + Y ) + h 2(xX + yY ) µ M µ mh me ❇➙② ❣✐í t❛ sû ❞ư♥❣ ❝→❝ ❜✐➸✉ t❤ù❝ ✭❆✳✶✮✱ ✭❆✳✹✮ ✈➔ ✭❆✳✻✮ ✤➸ ✈✐➳t ❧↕✐ ✶✹✷ ho tro tai file : luanvanchat@gmail.com ❍❛♠✐❧t♦♥✐❛♥ ✭✶✳✻✮ ♥❤÷ s❛✉✿ ˆ ex = H eB mh − me ˆ e2 B pˆ + lz + − (x2 + y ) + Vhe (r) 2µ me mh µ M 2 e B mh − me ˆ2 e B P + (X + Y ) + + (xX + yY ) 2M 8µ me mh e e + B × r Pˆ + B ì R p 2M 2à é ✤➸ ❝â ❤❛✐ ♥❤â♠ t♦→♥ tû s❛✉ ❝ò♥❣ tr♦♥❣ ❍❛♠✐❧t♦♥✐❛♥ ❜➯♥ tr➯♥ t❛ ✤➣ sû ❞ư♥❣ ❝ỉ♥❣ t❤ù❝ t❤✉ ❣å♥ s❛✉ − eB i 2M x ∂ ∂ eB ∂ ∂ −y − i X −Y ∂Y ∂X 2µ ∂y ∂x e e = (B × r).Pˆ + (B × R).pˆ 2M 2µ ✶✹✸ ho tro tai file : luanvanchat@gmail.com P❤ư ❧ư❝ ❇ ❚➼♥❤ ❍❛♠✐❧t♦♥✐❛♥ ❝❤✉②➸♥ ✤ë♥❣ t÷ì♥❣ ✤è✐ ˆ rel ♠ỉ t↔ ❝❤✉②➸♥ ✤ë♥❣ t÷ì♥❣ ✤è✐ ✤÷đ❝ ✤à♥❤ ❚ø ✭✶✳✸✷✮ ❍❛♠✐❧t♦♥✐❛♥ H ♥❣❤➽❛ ˆ rel = U −1 H ˆ ex U, H ✭❇✳✶✮ ✈➔ ♣❤÷ì♥❣ tr➻♥❤ ❙❝❤r☎♦❞✐♥❣❡r tr♦♥❣ ❝❤✉②➸♥ ✤ë♥❣ t÷ì♥❣ ✤è✐ ❧➔ ˆ rel ψ (r) = Eψ (r) H ✭❇✳✷✮ ˆ rel (r) ❜➡♥❣ ❝→❝❤ t❤❛② ♥❤â♠ ❇➙② ❣✐í✱ t❛ t➻♠ ❜✐➸✉ t❤ù❝ ❝õ❛ ❍❛♠✐❧t♦♥✐❛♥ H sè ❤↕♥❣ tr♦♥❣ ✭✶✳✷✵✮ ✈➔♦ ❜✐➸✉ t❤ù❝ ✭❇✳✶✮ t❤✉ ✤÷đ❝ ˆ rel = U −1 ˆh0 + ˆh1 + ˆh2 + ˆh3 + ˆh4 + ˆh5 + ˆh6 + ˆh7 U, H s❛✉ ✤â t➼♥❤ tø♥❣ ♥❤â♠ sè ❤↕♥❣ ❧➛♥ ❧÷đt ♥❤÷ s❛✉✿ ✶✹✹ ho tro tai file : luanvanchat@gmail.com ✭❇✳✸✮ ✭✐✮ ◆❤â♠ U −1ˆh0U ❚❛ ❝â U −1 ˆ h0 U = − i (K + 2e B×r).R i (K + 2e B×r).R ❡ pˆ ❡ 2à rữợ t t t i e i e pˆ ❡ (K + B×r).R = −i ∇r ❡ (K + B×r).R e e i i ie = −i ❡ (K + B×r).R ∇r − i ❡ (K + B×r).R ∇r B × r R e i e ✭❇✳✹✮ = ❡ (K + B×r).R pˆ + ∇r B × r R , tr♦♥❣ ✤â ∇r B×r R = B × r × ∇r × R +R × ∇r × B × r =0 + B × r ∇r R + R ∇r =0 B×r B×R = R × ∇r × B × r  + B×R    = R × B ∇r r − r ∇r B + r∇r B − B ∇r r =0 3B =0 B + B×R = R×B + B×R =− B×R ✭❇✳✺✮ ❚❤❛② ✭❇✳✺✮ ✈➔♦ ✭❇✳✹✮ t❛ ✤÷đ❝ i e i e e pˆe (K + B×r)R = e (K + B×r)R pˆ − B×R ✶✹✺ ho tro tai file : luanvanchat@gmail.com ✭❇✳✻✮ ❙❛✉ ✤â✱ t✐➳♣ tö❝ ❧➜② ✤↕♦ ❤➔♠ trü❝ t✐➳♣ ❧➯♥ ✭❇✳✻✮ t❛ ❝â e i e i e pˆ2 ❡ (K + B×r)R = pˆ ❡ (K + B×r)R pˆ − B×R = e pˆ ❡ (K + B×r)R i pˆ − e B×R e i e + ❡ (K + B×r)R pˆ pˆ − B × R e i ie e (−i )∇r B × r R pˆ − B×R = ❡ (K + B×r)R 2 i e e + ❡ (K + B×r)R pˆ2 − B × R pˆ i e K + 2e B×r)R e ( = ❡ − B×R pˆ − B×R 2 e i e + ❡ (K + B×r)R pˆ2 − B × R pˆ e i e2 , B×R = ❡ (K + B×r)R pˆ2 − e B × R pˆ + e i e2 B 2 (X + Y ) = ❡ (K + B×r)R pˆ2 − e B × R pˆ + ❚ø ✤➙② t❛ t❤✉ ✤÷đ❝ U −1 ˆ h0 U = e e2 B 2 pˆ − (X + Y ) B ì R p + 2à 2à 8à ✭✐✐✮ ◆❤â♠ U −1ˆh1U ❚❛ ❝â✿ U −1 ˆ h1 U = − i eB mh − me − i (K + 2e B×r).R ❡ me mh x ∂ ∂ −y ∂y ∂x i e ❡ (K + Bìr).R ho tro tai file : luanvanchat@gmail.com rữợ t✐➯♥✱ t❛ t➼♥❤ x ∂ ∂ −y ∂y ∂x e eB i ∂ i ∂ ❡ (K + B×r).R = x ❡ [K.R+ (xY −yX )] − y ∂y x ∂x ∂ ∂ −y ∂y ∂x i e ∂ ∂ + ❡ (K + B×r).R x − y ∂y ∂x i i e e ∂ ieB ∂ = ❡ (K + B×r).R (−xX − yY ) + ❡ (K + B×r).R x − y ∂y ∂x i ieB ∂ ∂ = ❡ (K + eB×r).R − (xX + yY ) + x − y ∂y ∂x ❙❛✉ ❝ò♥❣✱ t❛ t❤✉ ✤÷đ❝ U −1 ˆ h1 U = − i eB (mh − me ) e2 B (mh − me ) (xX + yY ) − 4me mh 2me mh = − e2 B (mh − me ) eB (mh − me ) ˆ (xX + yY ) + lz 4me mh 2me mh x ∂ ∂ −y ∂y ∂x ✭❇✳✽✮ ✭✐✐✐✮ ❈→❝ ♥❤â♠ U −1ˆh2U ✱ U −1ˆh3U ✱ U −1ˆh5U ✈➔ U −1ˆh6U ❚❛ ❞➵ ❞➔♥❣ t❤✉ ✤÷đ❝ U −1 ˆ h2 U = i e e2 B − i (K + 2e B×r).R e2 B 2 e (x + y )e (K + B×r).R = (x + y ), 8µ 8µ i e i e U −1 ˆ h3 U = e− (K + B×r).R Vhe (r)e (K + B×r).R = Vhe (r), i e e2 B − i (K + 2e B×r).R e2 B 2 e (X + Y ), (X + Y )e (K + Bìr).R = 8à 8à i e e2 B mh − me − i (K + 2e B×r).R U −1 ˆ h6 U = e (xX + yY )e (K + B×r).R me mh e B mh − me = (xX + yY ) ✭❇✳✾✮ me mh U −1 ˆ h5 U = ✶✹✼ ho tro tai file : luanvanchat@gmail.com ✭✐✈✮ ◆❤â♠ U −1ˆh4U ❚❛ ❝â✿ U −1 ˆ h4 U = − i (K + 2e B×r).R ˆ i (K + 2e B×r).R ❡ P0 ❡ 2M i e e i e + ❡− (K + B×r).R B × r Pˆ0 ❡ (K + Bìr).R M ứ t t ữủ U h4 U = e 2 K + K − eB × K r B × r K = 2M M 2M M ✭✈✮ ◆❤â♠ U −1ˆh7U ❚❛ ❝â✿ U −1 ˆ h7 U = − i eB i (K + 2e Bìr).R 2à X ∂ ∂ −Y ∂y ∂x i e ❡ (K + B×r).R , tr♦♥❣ ✤â X ∂ ∂ −Y ∂y ∂x i e ❡ (K + B×r).R ∂ i [K.R+ eB ∂ i [K.R+ eB (xY −yX )] − Y (xY −yX )] ❡ ❡ ∂y ∂x i e ∂ ∂ + ❡ (K + B×r).R X − Y ∂y ∂x =X i ieB ∂ ∂ = ❡ (K + eB×r).R − R + X −Y ∂y ∂x ✶✹✽ ho tro tai file : luanvanchat@gmail.com , ✭❇✳✶✵✮ ❞➝♥ ✤➳♥ U e2 B 2 i eB h7 U = − R − 4µ 2µ −1 ˆ = − X ∂ ∂ −Y ∂y ∂x e e2 B 2 R + (B × R).pˆ 4µ 2µ ✭❇✳✶✶✮ ❚❤❛② ✭❇✳✼✮✕✭❇✳✶✶✮ ✈➔♦ ✭❇✳✸✮ t❛ t❤✉ ✤÷đ❝ ❍❛♠✐❧t♦♥✐❛♥ ❝❤➼♥❤ ①→❝ ❝❤♦ ❝❤✉②➸♥ ✤ë♥❣ t÷ì♥❣ ✤è✐ ❝õ❛ ❡❧❡❝tr♦♥ ✕ ❧é trè♥❣ ❧➔ ˆ rel = H e2 B 2 (m − me ) eB ˆ pˆ + (x + y ) + Vhe (r) + h l 2µ 8µ me mh z 1 K − eB × K r + M 2M ✶✹✾ ho tro tai file : luanvanchat@gmail.com ✭❇✳✶✷✮ ... ❚✉② ♥❤✐➯♥ ✈➻ ♠✐➲♥ tè✐ ÷✉ ♥➔② ❝❤➾ ữủ ự t số ợ ộ t♦→♥ ❦❤→❝ ♥❤❛✉ t❛ ❝➛♥ ♣❤↔✐ ❝❤ù♥❣ ♠✐♥❤ ❧↕✐ t➼♥❤ tử ũ ợ sỹ tỗ t tố ữ ❝õ❛ t❤❛♠ sè✳ ✣➙② ❧➔ ♠ët tr♦♥❣ ♥❤ú♥❣ ❝æ♥❣ ✈✐➺❝ q✉❛♥ trå♥❣ ❦❤✐ →♣ ❞ư♥❣ ♣❤÷ì♥❣... ❤á❛ ✤÷đ❝ t➼♥❤ ❣✐↔✐ t➼❝❤ ❝❤➼♥❤ ①→❝✳ ✣✐➲✉ ♥➔② ❝❤♦ ♣❤➨♣ →♣ ❞ư♥❣ ♣❤÷ì♥❣ ♣❤→♣ t tỷ rr số ữỡ tr r r ợ tử õ trữợ t ý ữỡ tr ữủ t ợ tứ trữớ t tr rở tợ 2.3505 ì 106 ❚❡s❧❛✮✱ ✈÷đt ♥❣÷ï♥❣ tø tr÷í♥❣... ❬✹✺✱✽✻✱✾✶❪✳ ❑➳t q✉↔ ❜❛♥ ✤➛✉ ❝❤♦ t❤➜②✱ ❝â ♥❤ú♥❣ ❤✐➺✉ ù♥❣ ❣➙② r❛ ❜ð✐ tr÷í♥❣ ♥❣♦➔✐ ✤→♥❣ ữủ ú ỵ t tử ự ❝→❝❤ t✐➳♣ ❝➟♥ ♠æ ❤➻♥❤ ▼●❊❈❙❈ t❤❡♦ ❝→❝ t❤❛♠ sè ❦❤→❝ ♥❤❛✉✱ tr♦♥❣ ❦❤✐ ♥➠♥❣ ❧÷đ♥❣ ❝õ❛ ❝→❝ ♠ù❝

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