Doped Semiconductors: Role of Disorder
... the effective mass being m∗ = h̄2 /2Ib20 . As the lattice constant increases, I(b0 ) ∝ exp(−βb0 /a) where β is a number of the order 1. According to our model, each impurity adds one electron, and each state possesses 2-fold spin degeneracy. Thus the impurity lattice is a metal. Is this correct? In ...
... the effective mass being m∗ = h̄2 /2Ib20 . As the lattice constant increases, I(b0 ) ∝ exp(−βb0 /a) where β is a number of the order 1. According to our model, each impurity adds one electron, and each state possesses 2-fold spin degeneracy. Thus the impurity lattice is a metal. Is this correct? In ...
Nuts and Bolts of the Ion Band State Theory
... nuclear- scale effects and larger length-scale coupling to the lattice. A second reason the theory has not been widely accepted, despite the fact its predictions have been independently borne out by experiment1, is the seemingly counter-intuitive limit where it applies: when d/p can become wave-like ...
... nuclear- scale effects and larger length-scale coupling to the lattice. A second reason the theory has not been widely accepted, despite the fact its predictions have been independently borne out by experiment1, is the seemingly counter-intuitive limit where it applies: when d/p can become wave-like ...
Wormholes in Spacetime and the Constants of Nature
... first stage, we integrate out the wormhole fluctuations to obtain an effective theory with a-dependent bare couplings; this effective theory is cut off at the wormhole mass scale M w. In the second stage, we allow the cutoff to "float" down from M w into the far infrared; we thus obtain an expressio ...
... first stage, we integrate out the wormhole fluctuations to obtain an effective theory with a-dependent bare couplings; this effective theory is cut off at the wormhole mass scale M w. In the second stage, we allow the cutoff to "float" down from M w into the far infrared; we thus obtain an expressio ...
2.3 Lecture 7: Binary collisions
... • reflection to complete the interchange the initial and final relative momenta, ÈpÕ1 , pÕ2 |T|p1 , p2 Í = È≠R2 R1 pÕ1 , ≠R2 R1 pÕ2 |T|≠R2 R1 p1 , ≠R2 R1 p2 Í = Èp1 , p2 |T|pÕ1 , pÕ2 Í, One can apply the ideas of kinetic theory to other systems with a large number of d.o.f. For example, a very large ...
... • reflection to complete the interchange the initial and final relative momenta, ÈpÕ1 , pÕ2 |T|p1 , p2 Í = È≠R2 R1 pÕ1 , ≠R2 R1 pÕ2 |T|≠R2 R1 p1 , ≠R2 R1 p2 Í = Èp1 , p2 |T|pÕ1 , pÕ2 Í, One can apply the ideas of kinetic theory to other systems with a large number of d.o.f. For example, a very large ...
Number Archetypes and “Background” Control Theory Concerning
... It were to oppose the atomic nature of charge to the classical law of its conservation as its quantum-theoretical correlate in the same way as it opposes as complementary the laws of conservation of momentum and energy to the description in space-time. Nor do we yet know if such a future theory will ...
... It were to oppose the atomic nature of charge to the classical law of its conservation as its quantum-theoretical correlate in the same way as it opposes as complementary the laws of conservation of momentum and energy to the description in space-time. Nor do we yet know if such a future theory will ...
Symmetry breaking - Corso di Fisica Nucleare
... 1. Generally, the breaking of a certain symmetry does not imply that no symmetry is present, but rather that the situation where this symmetry is broken is characterized by a lower symmetry. In group theoretic terms, this means that the initial symmetry group is broken to one of its subgroups. It is ...
... 1. Generally, the breaking of a certain symmetry does not imply that no symmetry is present, but rather that the situation where this symmetry is broken is characterized by a lower symmetry. In group theoretic terms, this means that the initial symmetry group is broken to one of its subgroups. It is ...
Metal - CFIF
... We investigate in what situations Anderson localization may be relevant in the context of QCD. At the chiral phase transition we provide compelling evidence from lattice and phenomenological instanton liquid models that the QCD Dirac operator undergoes a metal - insulator transition similar to the o ...
... We investigate in what situations Anderson localization may be relevant in the context of QCD. At the chiral phase transition we provide compelling evidence from lattice and phenomenological instanton liquid models that the QCD Dirac operator undergoes a metal - insulator transition similar to the o ...
Dark Energy and Modified Gravity
... Explanations of the late-time cosmic acceleration within the framework of general relativity are plagued by difficulties. General relativistic models are mostly based on a dark energy field with fine-tuned, unnatural properties. There is a great variety of models, but all share one feature in common ...
... Explanations of the late-time cosmic acceleration within the framework of general relativity are plagued by difficulties. General relativistic models are mostly based on a dark energy field with fine-tuned, unnatural properties. There is a great variety of models, but all share one feature in common ...
Mathematisches Forschungsinstitut Oberwolfach Subfactors and
... for n > 2 to embed Hilbert spaces associated with finitely many points into each other by grouping together n − 1 “spins” on one scale into a single spin on a more coarse scale. This is just what is done in block spin renormalisation. Although this block spin idea does not introduce dynamics, we wil ...
... for n > 2 to embed Hilbert spaces associated with finitely many points into each other by grouping together n − 1 “spins” on one scale into a single spin on a more coarse scale. This is just what is done in block spin renormalisation. Although this block spin idea does not introduce dynamics, we wil ...
THE WITT CONSTRUCTION IN CHARACTERISTIC ONE AND
... S(ϕ) − ⟨J, ϕ⟩ S(ϕ) Z(J) = exp(− )D[ϕ] exp(− ) D[ϕ] . ...
... S(ϕ) − ⟨J, ϕ⟩ S(ϕ) Z(J) = exp(− )D[ϕ] exp(− ) D[ϕ] . ...
Hybrid Mechanical Systems
... oscillators with a large variety of other (microscopic) quantum systems such as atoms and ions, electronic spins, or quantized charge degrees of freedom. The benefits of such hybrid quantum systems are quite diverse. On the one hand, the motion of the resonator can be used as a sensitive probe and r ...
... oscillators with a large variety of other (microscopic) quantum systems such as atoms and ions, electronic spins, or quantized charge degrees of freedom. The benefits of such hybrid quantum systems are quite diverse. On the one hand, the motion of the resonator can be used as a sensitive probe and r ...
Introduction to solid state theory
... The ground state is thus the absolute energetic minimum with respect to (i) crystal structure, i.e. the spatial arrangement of the nuclei, and (ii) electronic structure, i.e. the distribution of charges and the energetic spectrum of the electrons, the so-called band-structure. Of course these two po ...
... The ground state is thus the absolute energetic minimum with respect to (i) crystal structure, i.e. the spatial arrangement of the nuclei, and (ii) electronic structure, i.e. the distribution of charges and the energetic spectrum of the electrons, the so-called band-structure. Of course these two po ...
High-Energy Physics and Reality
... Physics (HEP) and reality. First, however, I will have to discuss what can possibly be meant by these terms. The name HEP refers to the fact that studies of the microscopic structures of matter often consist in analyzing the reaction products of high energy particle collisons1 . Questions about real ...
... Physics (HEP) and reality. First, however, I will have to discuss what can possibly be meant by these terms. The name HEP refers to the fact that studies of the microscopic structures of matter often consist in analyzing the reaction products of high energy particle collisons1 . Questions about real ...
