[PDF] Top 20 Phase space formulation of the quantum many body problem
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Phase space formulation of the quantum many body problem
... PI1ASE SPACE FOP BULATION OF TIE QUANTUM HANY BODY PROBLEM Thesis by Paul Hersh Levine In Partial Fulfillment of the Requirements For the Degree of Doctor of Philosophy Ca lifornia Institute of Techno[.] ... See full document
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Phase space formulation of the nonlinear longitudinal relaxation of the magnetization in quantum spin systems
... ing quantum effects into the spin dynamics simultaneously linking to the classical representation and allowing one to study quantum ...in quantum op- tics 共see, ...analyze quantum spin relax- ... See full document
11
Tensor networks and geometry for the modelling of disordered quantum many body systems
... Hilbert space using the low energy eigenvectors of the ...to quantum many-body problems. Quantum Monte Carlo (QMC) is perhaps the most well known method, this maps a quantum ... See full document
205
Approximating ground states by neural network quantum states
... The many-body problem in quantum physics originates from the difficulty of describing the non-trivial correlations encoded in the exponential complexity of the many-body wave ... See full document
12
A Simple Mathematical Formulation of the Correspondence Principle
... on quantum mechanics usually discuss a variety of ways to make the connection be- tween classical and quantum ...and quantum potential [11] methods and the phase space ... See full document
5
Probing quantum many-body dynamics in nuclear systems
... The quantum many-body problem is common to all fields aiming at describing complex quantum systems of inter- acting particles. Examples range from quarks and gluons in a nucleon to ... See full document
8
Nuclear lattice simulations: Status and perspectives
... To summarize, nuclear lattice simulations are a novel scheme to tackle the nuclear quantum many- body problem, firmly rooted in the so successful chiral effective field theory of the nuclear ... See full document
10
Tensor networks and geometry for the modelling of disordered quantum many body systems
... a quantum many-body system can be defined by a Hilbert space H and a Hamiltonian H describing the evolution of states in ...theory, quantum Monte Carlo and their variants and extensions ... See full document
11
Mathematical Results on Quantum Many body Physics
... At low particle density, this leads to tightly bound fermion pairs. The pairs will approximately look like bosons to one another and, since we are at zero temperature, they will form a Bose-Einstein condensate (BEC). It ... See full document
197
Numerical Methods for Many-Body Quantum Dynamics
... Hilbert space, one can write a matrix product representation for this pure state and apply the usual methods (truncation, TEBD, ...positivity problem: unlike density matrices, where many operators ... See full document
186
Tensor Network Representation of Many-Body Quantum States and Unitary Operators
... ones. Many interesting questions remain open regarding the matrix product representation of ...parameter space one should choose from such that the MPO is guaranteed to be ...parameter space can be ... See full document
193
Fast nonadiabatic dynamics of many body quantum systems
... Kohn-Sham formulation (13) has been the basis for many fundamental physical insights, and it has been successfully applied to fields as diverse as quantum chemistry, condensed matter, and dense ... See full document
6
Quantum Steampunk: Quantum Information, Thermodynamics, Their Intersection, and Applications Thereof Across Physics
... in quantum many-body systems ...represent quantum states as phase- space distributions represent statistical-mechanical states ...Classical phase-space ... See full document
257
The Interplay of Localization and Interactions in Quantum Many Body Systems
... the many-body participation ratio, and the R´enyi ...parameter space of our model that differ qualitatively in ...a phase in which the usual assumptions of statistical mechanics ...the ... See full document
245
The Solution Cosmological Constant Problem
... The Formulation of the Cosmoloigical Constant Problem The cosmological constant problem arises at the intersection between general relativity and quantum field theory, and is regarded as a ... See full document
66
Holographic Entanglement in Group Field Theory
... open problem already in condensed matter and quantum information theory ...Hilbert space within the full Fock space, hence coming back to a first quantisation ...collective, quantum ... See full document
25
Many-body Quantum Reaction Dynamics near the Fusion Barrier
... are suppressed compared with the expectations for well-bound nuclei. This general observation was later supported by theoretical calculations [24], and later this e ff ect was seen in many other reactions using ... See full document
10
Spectroscopic signatures of quantum many body correlations in polariton microcavities
... how many-body correlations in the exciton- polariton system can be directly accessed using pump- probe ...multiple phase-stable optical pulses with control- lable ...of many-body ... See full document
15
Signatures of many-body localization in a controlled open quantum system
... localized phase, its time-averaged density distribu- tion will be almost identical to that of the Wannier state on site i, with almost no weight on neighboring ...the phase transition point, the ... See full document
13
Surviving Quantum Chaos: Weak Thermalization, Prethermalization and Quantum Many Body Scar States
... We remark that Fig. 2.1 hardly shows any decay while Fig. 2.12 shows some gradual decay already for t ≤ 18. There could be several reasons for this. The decrease from the initial value in Fig. 2.1 is actually ... See full document
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