Entanglement in quantum spin chains

... Summary Entanglement plays a central role in quantum information processing and its usefulness as a resource for quantum information processing in quantum spin chain models has been vastly studied In ... including simple quantum information processes like quantum teleportation and superdense coding in Chapter In Chapter 2, some results regarding the properties of enta...

Ngày tải lên: 05/10/2015, 21:24

... Dresselhaus spin- orbit coupling can significantly affect the in- plane spin splitting at B > combining the asymmetric confinement potential via the numerical comparison with the proper anisotropic Zeeman ... B//[1-10] 0.030 Conclusions We observed the anisotropic in- plane spin splitting of the conduction-band electron in an asymmetric (001) GaAs/ AlGaAs quant...

Ngày tải lên: 21/06/2014, 00:20

... and j Depending upon the directions of spin- spin interaction, spin chains can be classified into three types: Heisenberg spin chain, XY spin chain and Ising spin chain In the following, we will ... states in spin chains In addition to these applications, we have investigated the dynamics of spin chains for gaining insights into intriguing properties of qu...

Ngày tải lên: 09/09/2015, 18:51

... PST in a Spin Chain with Engineering Couplings 26 2.1.3 Entanglement Generation in a Spin Chain 27 2.2 Entanglement generation with pre-engineered couplings 28 2.3 A physical interpretation ... solutions of PST in a chain containing an odd number of spins The proof will be presented in the Appendix B and C 29 Chapter Entanglement generation in a spin chain In E...

Ngày tải lên: 10/09/2015, 15:48

... A ; A = g + d4 L (8) τ a Aa ; Fµν = ∂µ A − ∂ν A + [A A ] 2i with the constraint equation equation δS/δAa = has been made in [13] According to this paper the quantization of only the transverse ... dimensional transmutation parameter - the analog of the arrangement energy resolution in QED (Recall that the old renormalization group QCD parameter Λ was also defined by a nonperturb...

Ngày tải lên: 05/03/2014, 14:20

... 183-207 [7] Gutzwiller, M C (1990) Chaos in Classical and Quantum Mechanics, Springer 40 Advances in Quantum Mechanics 18 Advances in Quantum Mechanics [8] Wintgen, D., Marxer, H & Briggs, J S (1987) ... reproduction in any medium, provided the original work is properly cited 24 Advances in Quantum Mechanics Advances in Quantum Mechanics which indicate...

Ngày tải lên: 17/03/2014, 02:20

... Ferbel Volume 366 New Developments in Quantum Field Theory edited by Poul Henrik Damgaard and Jerzy Jurkiewicz Series B: Physics New Developments in Quantum Field Theory Edited by Poul Henrik Damgaard ... which depend only *In the following we will always be working in Euclidean space-time The geometric paths are just parameterized paths up to diffeomorphisms New...

Ngày tải lên: 17/03/2014, 14:39

... one port in the definition of the visibility; changing the phase shift τ will tend to reduce the contribution of one while increasing that of the other so that overall the variation in the intensity ... content of this thesis has been published in [Cable0 5] As an example of the relevance of this thesis topic, consider the highly involved controversy concerning the existence...

Ngày tải lên: 17/03/2014, 14:41

... Atomic Schr¨dinger operators o §11.1 Self-adjointness §11.2 The HVZ theorem 189 189 191 Chapter 12 Scattering theory §12.1 Abstract theory §12.2 Incoming and outgoing states §12.3 Schr¨dinger operators ... and f ∈ X, and • f + g ≤ f + g for all f, g ∈ X (triangle inequality) From the triangle inequality we also get the inverse triangle inequality (Problem 0.1) | f − g |≤ f g (0.15) O...

Ngày tải lên: 17/03/2014, 14:41

... · ² B3 B¡†RVáRaBŠC@V§›#X§ #b@ (£7@ỵj3‰R‰cCBŒµ­ Đ ỉ `Ê X5!  Ị & ¯Ä É R ² ¶ » ¸¹ ë ¸ ¼ » S#CbaBb–jr¹ ½ ¸ Ĩ ë ² ¼ ² ë õ ² ð¹ · ² · ¸½ º¹ ¼ b( Buj #B #‰rB§BurRa@X· @XaCB…u›@¢1§Qä I'G@ E DA0 RaBŠ@CVc#r@‰©#c¸ ... ¶ » ¾ ò ² ¼ ¸ Õ ² ± · · ¸ ± · B3 BuCu–(@@©@&(ur@r@(†…RVc©aBŠ@CEs›#XXCB&3 @B ² 3BCR 'b( Bu›# ¼ º ë ´ & ½ ¸ Ĩ ë ² ¼ ² ² ð¹ · ë ² ó » ‰aB’3@@C¾ jbrBb–ja’a¹ baCRBPấŒ%CBˆ3CÁ#a‰Cỵ(§!©V¬...

Ngày tải lên: 17/03/2014, 14:44

... Library of Congress Cataloging -in-< /b> Publication Data Bagchi, B (Bijan Kumar) Supersymmetry < /b> in < /b> quantum < /b> and < /b> classical < /b> mechanics < /b> / B Bagchi p cm. (Chapman & Hall/CRC monographs and < /b> surveys in < /b> pure ... Profs Jules Beckers, Debajyoti Bhaumik, Subhas Chandra Bose, Jayprokas Chakrabarti, Mithil Ranjan Gupta, Birendranath Mandal, Ra...

Ngày tải lên: 17/03/2014, 14:44

... NEW TRENDS IN QUANTUM SYSTEMS IN CHEMISTRY AND PHYSICS Progress in Theoretical Chemistry and Physics VOLUME - Honorary Editors: W N Lipscomb (Harvard ... United Kingdom) The titles published in this series are listed at the end of this volume New Trends in Quantum Systems in Chemistry and Physics Volume Advanced Problems and Complex Systems Pa...

Ngày tải lên: 28/03/2014, 10:20

... formalism in a manner independent of the canonical formalism Path integrals in quantum mechanics To motivate our use of the path integral formalism in quantum field theory, we demonstrate how path integrals ... more interesting case of interacting fields The generating functional for self-interacting fields While free field theory has a certain amount of elegance to it, it...

Ngày tải lên: 24/04/2014, 17:10

... mathematical question we are led to when considering the problem of adiabatic decoupling in quantum dynamics, is the singular limit ε → in Schr¨dinger’s equation o iε ∂ ε ψ (t, x) = H(x, −iε∇x ... contains three main parts First order adiabatic theory for a certain type of problems, namely for perturbations of fibered Hamiltonians, is discussed and applied in Chapter Here and i...

Ngày tải lên: 24/04/2014, 17:12

... that is intrinsic to the colliding particles and the kind of interaction between them The calculation of σ from the underlying interaction potential is a central problem in non relativistic quantum ... a physical point of view and still mathematically interesting since, in particular, they display Bose condensation in infinite time These are the equations describing boson-fermion int...

Ngày tải lên: 24/04/2014, 17:14