Competition between Superconductivity and Charge Density Waves
... superconductivity it is necessary, at least, that both fall of resistence and Meissner effect be observed. At this point we could put a simple but also important question: why is a superconductor characterized by both zero resistance and Meissner effect, what is the real difference between a superco ...
... superconductivity it is necessary, at least, that both fall of resistence and Meissner effect be observed. At this point we could put a simple but also important question: why is a superconductor characterized by both zero resistance and Meissner effect, what is the real difference between a superco ...
Specker`s Parable of the Over-protective Seer: A Road to
... Specker must effectively posit the existence of a system that exhibits a particular kind of complementarity: the system must be such that three distinct measurements can implemented upon it, any pair of which can be measured jointly, but where a joint measurement of all three is not possible. To see ...
... Specker must effectively posit the existence of a system that exhibits a particular kind of complementarity: the system must be such that three distinct measurements can implemented upon it, any pair of which can be measured jointly, but where a joint measurement of all three is not possible. To see ...
Fifth Quantum Thermodynamics Conference (QTD5)
... systems as such. In this work we bring together these two lines of research by studying thermodynamic protocols for systems that interact strongly with thermal baths. In this case, the system does not equilibrate to a thermal state of its internal Hamiltonian, although equilibration is still guarant ...
... systems as such. In this work we bring together these two lines of research by studying thermodynamic protocols for systems that interact strongly with thermal baths. In this case, the system does not equilibrate to a thermal state of its internal Hamiltonian, although equilibration is still guarant ...
Introduction to Classical Field Theory
... The organization of material just described, while natural in some ways, overlooks the fact that field theories have many fundamental features in common – features which are most easily understood in the classical limit – and one can get a really good feel for what is going on in “the big picture” b ...
... The organization of material just described, while natural in some ways, overlooks the fact that field theories have many fundamental features in common – features which are most easily understood in the classical limit – and one can get a really good feel for what is going on in “the big picture” b ...
Semiclassical Green`s functions and an instanton formulation of
... Other instanton approaches are well known from adiabatic rate23–29 and tunnelling splitting30,31 calculations, where in both cases the Born-Oppenheimer approximation is first applied to obtain a single-surface Hamiltonian. The Im F method32 can be used to derive the instanton approximation to the ad ...
... Other instanton approaches are well known from adiabatic rate23–29 and tunnelling splitting30,31 calculations, where in both cases the Born-Oppenheimer approximation is first applied to obtain a single-surface Hamiltonian. The Im F method32 can be used to derive the instanton approximation to the ad ...
Electronic Transport in Metallic Systems and Generalized Kinetic
... generalized kinetic equations suited for the relevant models of metallic systems. The problem of the electronic transport in solids is an interesting and actual part of the physics of condensed matter.9–26 It includes the transport of charge and heat in crystalline and disordered metallic conductors ...
... generalized kinetic equations suited for the relevant models of metallic systems. The problem of the electronic transport in solids is an interesting and actual part of the physics of condensed matter.9–26 It includes the transport of charge and heat in crystalline and disordered metallic conductors ...
Quantum Effects in Condensed Matter Systems in Three, Two, and
... with finite branch cut due to the Berry phase . . . . . . . . . Schematic of scattering of quasiparticles due to the Berry phase effect. The Berry phase effect is denoted by the finite branch cut shown by the thick line joining the dots. The dots represent the vortex cores coinciding with the foci. ...
... with finite branch cut due to the Berry phase . . . . . . . . . Schematic of scattering of quasiparticles due to the Berry phase effect. The Berry phase effect is denoted by the finite branch cut shown by the thick line joining the dots. The dots represent the vortex cores coinciding with the foci. ...
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... Yang has commanded and the reservoirs of visionary encouragement he has sown worldwide, this same effort resulted in the gathering of a superlative list of participants and speakers. Each of these distinguished careers had intersected with Pranks, some speakers having encountered him as a brilliant ...
... Yang has commanded and the reservoirs of visionary encouragement he has sown worldwide, this same effort resulted in the gathering of a superlative list of participants and speakers. Each of these distinguished careers had intersected with Pranks, some speakers having encountered him as a brilliant ...
Renormalization
In quantum field theory, the statistical mechanics of fields, and the theory of self-similar geometric structures, renormalization is any of a collection of techniques used to treat infinities arising in calculated quantities.Renormalization specifies relationships between parameters in the theory when the parameters describing large distance scales differ from the parameters describing small distances. Physically, the pileup of contributions from an infinity of scales involved in a problem may then result in infinities. When describing space and time as a continuum, certain statistical and quantum mechanical constructions are ill defined. To define them, this continuum limit, the removal of the ""construction scaffolding"" of lattices at various scales, has to be taken carefully, as detailed below.Renormalization was first developed in quantum electrodynamics (QED) to make sense of infinite integrals in perturbation theory. Initially viewed as a suspect provisional procedure even by some of its originators, renormalization eventually was embraced as an important and self-consistent actual mechanism of scale physics in several fields of physics and mathematics. Today, the point of view has shifted: on the basis of the breakthrough renormalization group insights of Kenneth Wilson, the focus is on variation of physical quantities across contiguous scales, while distant scales are related to each other through ""effective"" descriptions. All scales are linked in a broadly systematic way, and the actual physics pertinent to each is extracted with the suitable specific computational techniques appropriate for each.