[PDF] Top 20 Dynamical phase transitions in quantum mechanics

... open quantum system with a non-Hermitian Hamil- ton operator by using the Feshbach projection operator ...reduced phase rigidity of the eigenfunctions play an important ...a dynamical phase ... See full document

... a phase transition that leads to a loss induced optical transparency in specially designed non-Hermitian guiding potentials [39 -41]: the output transmission first decreases, attains a minimum and then increases ... See full document

... statistical mechanics. Each trajectory is characterized by its dynamical activity [31], ...distinct dynamical phases, an active phase with many Andreev events and an inactive phase with ... See full document

... Detecting a high-speed superbradyon (with velocity v c) emitted by an astrophysical explosion or a similar event would be a unique scientific opportunity. But the probability of such a performance seems difficult to ... See full document

... its dynamical properties, as we’ve already ...when quantum fluctuations are present, the mode frequency as well as the temperature are important for the statistical mechanical characterization; for example ... See full document

... about quantum spin systems is a di ffi cult ...expected phase diagram of the systems we ...a quantum system as being a (small) perturbation of a classical ...temperature phase diagram for a ... See full document

... 5. For Schr¨ odinger equation (26), any reversible and differentiable 1-1 corresponding transformation of the wave function Ψ, such as (2), is mathematically equivalent to the original representation. This is the same as ... See full document

... of quantum cosmology and gravity may treat space as emergent: all that is required is that the basic relations evolve in such a way that they manifest a certain geometry; this is what makes them spatial ... See full document

... in dynamical considera- ...the dynamical properties of the system and the structure of the macro-regions; it would be an account of why, given er- godicity, the system visits the macro-states in the ‘right’ ... See full document

... treated as a classical, coherent field. On the other hand, the Husimi distribution is the coherent state expectation value of the density matrix. In a sense, the Husimi distribution aims to maximize the classical aspects ... See full document

... the quantum critical ...high-pressure phase, but is likely ...AIAO phase the breathing phonons are not fully softened, at least in the static limit, where AIAO order only induces an external ... See full document

... operators algebra, linear canonical transformation and a phase space representation of quantum 14.. mechanics that we have introduced and studied in previous works.[r] ... See full document

... non-relativistic quantum mechanics, but non- relativistic quantum mechanics is not a true theory of the world – it ignores relativistic effects, for which we have solid empirical ...of ... See full document

... Wigner’s phase-space formulation of quantum me- chanics offers a comprehensive framework in which quantum phenomena can be described using classical ... See full document

... ing the symmetry textbook Bradley and Cracknell [26], we found that some of the 10 ill-behaved space groups indeed hosted unusual eightfold-degenerate, linearly- dispersing nodes, which we dubbed “double Dirac points” ... See full document

... probabilities to any plausible event that may happen in the universe. This is the most that a non deterministic theory like the quantum mechanics can provide. With that purpose, and following a parallelism ... See full document

... hiding in the data. The flow is incompressible, because the phenomenology expels all sources and sinks to the boundary of moduli space. General principles of quantum field theory require the RG flow to also be ... See full document

... A recently proposed model of the Dirac electron, which has been shown to describe several observed properties of the particle correctly, is in the present paper shown to be also able to explain quantum ... See full document

... where ρ weak is the density matrix of the ensemble under weak measurement. It is straightforward to show that the entropy of the ensemble under weak measurement is greater than the entropy under sharp one by the Schwartz ... See full document

... Abstract: We study a problem of transformations mapping noncommutative phase spaces into commutative ones. We find a simple way to obtain explicit formulas of such transformations in 3D and indicate matrix ... See full document