Reduced fidelity in topological quantum phase transitions
... to a TQPT, which involves a global rearrangement of nonlocal quantum correlations 关1兴. However, this intuition turns out to be wrong. As we show in this Rapid Communication, several TQPTs are accurately signaled by a singularity in the second-order derivative of the reduced fidelity. Moreover, the s ...
... to a TQPT, which involves a global rearrangement of nonlocal quantum correlations 关1兴. However, this intuition turns out to be wrong. As we show in this Rapid Communication, several TQPTs are accurately signaled by a singularity in the second-order derivative of the reduced fidelity. Moreover, the s ...
Gravity and the quantum vacuum inertia hypothesis
... principle (WEP) of Newton and Galileo, inertial mass is equal to gravitational mass, mi = mg . If the quantum vacuum inertia hypothesis is correct, a very similar mechanism involving the quantum vacuum should also account for gravitational mass. This novel result, restricted for the time being to th ...
... principle (WEP) of Newton and Galileo, inertial mass is equal to gravitational mass, mi = mg . If the quantum vacuum inertia hypothesis is correct, a very similar mechanism involving the quantum vacuum should also account for gravitational mass. This novel result, restricted for the time being to th ...
Applications of Supersymmetric Quantum
... At the end of this thesis I introduce the concept of geometric phase in QM (usually named after its very founder M.V.Berry). We shall see that during a cycling quantum evolution the phase change has two parts: the usual dynamical part and the geometric part, which is of our interest here, because it ...
... At the end of this thesis I introduce the concept of geometric phase in QM (usually named after its very founder M.V.Berry). We shall see that during a cycling quantum evolution the phase change has two parts: the usual dynamical part and the geometric part, which is of our interest here, because it ...
Time dependence in quantum mechanics
... and observables by Hermitian operators. Pairs of canonically conjugate operators satisfy Heisenberg commutation rules and thereby fulfill corresponding Heisenberg uncertainty relations. In a later paper [2] Schrödinger introduced a time-dependent Schrödinger equation (TDSE) and this version has fou ...
... and observables by Hermitian operators. Pairs of canonically conjugate operators satisfy Heisenberg commutation rules and thereby fulfill corresponding Heisenberg uncertainty relations. In a later paper [2] Schrödinger introduced a time-dependent Schrödinger equation (TDSE) and this version has fou ...
Quantum Hall effect
... spin/valley degeneracy, which we have not talked about. condition, Eq.(5), lifts the K, K ′ dege This leads to additional integer states at numbers of edge modes lead to the hal higher fields. split graphene edge states: the blue the spin up (spin down) states. Th ...
... spin/valley degeneracy, which we have not talked about. condition, Eq.(5), lifts the K, K ′ dege This leads to additional integer states at numbers of edge modes lead to the hal higher fields. split graphene edge states: the blue the spin up (spin down) states. Th ...
Distance between quantum states in the presence of initial qubit
... of the size for distance in quantum information processing, and according to Ref. [13], an increase of the distance can be interpreted in terms of the exchange of information between the system and its environment. If the distance increases over its initial value, information which is locally inacce ...
... of the size for distance in quantum information processing, and according to Ref. [13], an increase of the distance can be interpreted in terms of the exchange of information between the system and its environment. If the distance increases over its initial value, information which is locally inacce ...
Fifth Quantum Thermodynamics Conference (QTD5)
... Hamiltonian have been successfully characterized. Here, we provide a general fundamental lower limit, valid for systems with an arbitrary Hamiltonian and in contact with a heat bath, on the work cost for the implementation of any logical process. This limit is given by a new information measure —the ...
... Hamiltonian have been successfully characterized. Here, we provide a general fundamental lower limit, valid for systems with an arbitrary Hamiltonian and in contact with a heat bath, on the work cost for the implementation of any logical process. This limit is given by a new information measure —the ...
at the STI Experts Meeting - The Information Philosopher
... In biological evolution, nature selects. In behavioral freedom. the organism itself “purposely” and "intentionally" selects. Information Philosopher ...
... In biological evolution, nature selects. In behavioral freedom. the organism itself “purposely” and "intentionally" selects. Information Philosopher ...
Collège de France abroad Lectures Quantum information with real
... complete quantum non demolition (QND) measurement of the photon number is realized. This QND procedures allows us to observe directly the quantum jumps of the field and to prepare, by random projection, highly non-classical states. This experiment leads to the following questions: •Can we reconstruc ...
... complete quantum non demolition (QND) measurement of the photon number is realized. This QND procedures allows us to observe directly the quantum jumps of the field and to prepare, by random projection, highly non-classical states. This experiment leads to the following questions: •Can we reconstruc ...
Quantum dynamics of human decision
... state X1 exclusively or from X0 to state X2 exclusively to reach state X4. If we do not observe what happens inside the box of Fig. 1, then the system enters into a ‘‘superposition’’ of states X1 and X2, which is not equal to either one. The amazing consequence of this new assumption is that the pro ...
... state X1 exclusively or from X0 to state X2 exclusively to reach state X4. If we do not observe what happens inside the box of Fig. 1, then the system enters into a ‘‘superposition’’ of states X1 and X2, which is not equal to either one. The amazing consequence of this new assumption is that the pro ...
Phys. Rev. Lett. 115, 155302
... Therefore, one can independently control them and make them comparable to each other without ever leaving the weakly interacting regime. In particular, an interesting situation, impossible in the single-component case, arises when the mean-field term, ∝ n2 , is negative and the LHY one, ∝ n5=2 , is ...
... Therefore, one can independently control them and make them comparable to each other without ever leaving the weakly interacting regime. In particular, an interesting situation, impossible in the single-component case, arises when the mean-field term, ∝ n2 , is negative and the LHY one, ∝ n5=2 , is ...
elements of quantum mechanics
... of a new and more general scheme called quantum mechanics. This new approach was highly successful in explaining the behaviour of atoms, molecules and nuclei. Moreover, the quantum theory raduces to classical physics when applied to macroscopic systems. The basic ideas of quantum theory were first i ...
... of a new and more general scheme called quantum mechanics. This new approach was highly successful in explaining the behaviour of atoms, molecules and nuclei. Moreover, the quantum theory raduces to classical physics when applied to macroscopic systems. The basic ideas of quantum theory were first i ...
Chapter 7 The Schroedinger Equation in One Dimension In classical
... The interesting part of the wave function Ψ(x, t) is its spatial part ψ(x). We will see that a large part of quantum mechanics is devoted to finding the possible spatial functions ψ(x) and their corresponding energies. Our principal tool in finding these will be the time-independent Schroedinger equ ...
... The interesting part of the wave function Ψ(x, t) is its spatial part ψ(x). We will see that a large part of quantum mechanics is devoted to finding the possible spatial functions ψ(x) and their corresponding energies. Our principal tool in finding these will be the time-independent Schroedinger equ ...
Continuous Time Quantum Monte Carlo method for fermions
... scheme for fermionic systems appeared more than 20 years ago1,2,3,4 . This scheme has became standard for the numerical investigation of physical models with strong interactions, as well as for quantum chemistry and nanoelectronics. Although the first numerical attempts were made for model Hamiltoni ...
... scheme for fermionic systems appeared more than 20 years ago1,2,3,4 . This scheme has became standard for the numerical investigation of physical models with strong interactions, as well as for quantum chemistry and nanoelectronics. Although the first numerical attempts were made for model Hamiltoni ...
(DOC, Unknown)
... Einstein treats the effect of gravitation, via the assertion of the principle of equivalence [4]. Remarkably enough, we do not need this assertion. Thus, we come to show that, what the principle of equivalence does, can somewhat be accounted by the law of conservation of energy (broadened to embody ...
... Einstein treats the effect of gravitation, via the assertion of the principle of equivalence [4]. Remarkably enough, we do not need this assertion. Thus, we come to show that, what the principle of equivalence does, can somewhat be accounted by the law of conservation of energy (broadened to embody ...