quantum mechanics and spectroscopy

... study of 2D string theory 34 2 Matrix models and random surfaces Fig II.1: Duality between Feynman graphs and discretized surfaces Similarly, one can consider 3, 4, etc matrix models Their definition ... fundamental physics But suddenly another reason was found Each string possesses a spectrum of excitations All of them can be interpreted as particles with different spins and...

Ngày tải lên: 17/03/2014, 14:41

... correlate of visual awareness [36 , 32 ] Such a behavior would be, of course, a very special case of a much more general framework where coherent firing of widely-distributed (i.e., non-local) groups of ... ourselves for major revamping of our conventional ideas about quantum dynamics and the structure of spacetime A particularly interesting, well-motivated, and well-studi...

Ngày tải lên: 10/08/2014, 00:21

... state of the MT, one monomer consists of 40 % α-helix, 31% β-sheet and 29% random coil The α-tubulin consists of four α-helixes, four β-sheets, and two random coils, while the β-tubulin has six α-helixes, ... α-helixes, one β-sheet, and seven random coils Each monomer consists of about 500 aminoacids, is about 4nmx4nmx4nm, and weighs 5.5 × 1 04 daltons or equivalently its at...

Ngày tải lên: 10/08/2014, 00:21

... forward our thesis about a unified theory of the BrainMind dynamics promised in the Introduction Microtubules and Density Matrix Mechanics (I): Quantum Theory of Brain Function Let us assume that an ... (see section 2), like long-term stability and non-locality, as being one of the many possible states of the spin-glass phase, to be of primary importance in brain f...

Ngày tải lên: 10/08/2014, 00:21

... James’ views of consciousness are mapped, almost one-to-one to our dynamical theory of brain function Our central thesis suggest, that every conscious event is the psychological counterpart of a related, ... organisms? It is rather well-known that brains of patients under general anethesia are commonly quite active: EEG, evoked potentials and other brain functions persist de...

Ngày tải lên: 10/08/2014, 00:21

... (1 973 ) 70 5 [60] J Leech, Canad J Math 16 (1964) 6 57; J Leech and N J A Sloane, Can J Math 28 (1 971 ) 71 8; F J MacWilliams and N J Sloane, The theory of error correcting codes: 674 (North Holland, ... Podolsky, and N Rosen, Phys Rev 47 (1935) 77 7 [23] For a review see: A Aspect and P Grangier, “Experiments on EPR-type correlations with pairs of visible photons”, in Qu...

Ngày tải lên: 10/08/2014, 00:21

Ngày tải lên: 17/03/2014, 14:41

... CONTENTS Contents Historical notes 1.1 1.2 1.3 1.4 1.5 Origins in functional analysis and quantum mechanics Rings of operators (von Neumann algebras) Reduction of unitary group representations ... in nity because it is constant), but an approximate unit may be constructed as follows: take = N , and take In to be a continuous function which is on ;n n] and vanishes for jxj >...

Ngày tải lên: 17/03/2014, 14:41

... now that the dust has settled and physicists know quantum mechanics reasonably well, it is necessary to consolidate concepts and put together that minimal set of postulates The minimal set of ... postulate Its relation to measurements is somewhat indirect (see postulates through 5) Postulate The complete descriptor (but not a measured quantity) of a system is its state vector jsi a...

Ngày tải lên: 17/03/2014, 14:42

... basis of our quantization scheme for systems with second-class constraints 3.2 Systems with first-class constraints So now we come to the case of systems with first-class constraints, i.e systems with ... classical and quantum mechanics of finite dimensional mechanical systems subject to constraints We review Dirac’s classical formalism of dealing with...

Ngày tải lên: 24/04/2014, 17:12

... the implications of decoherence for the measurement problem in the context of various interpretations of quantum mechanics A key achievement of the decoherence program is the recognition of the ... space, and (iv) the interpretation of the modulus square of the expansion coefficients of the state in terms of the eigenbasis of the observable...

Ngày tải lên: 05/06/2014, 11:31