Quantum phase transitions
Machine learning of quantum phase transitions
... with quantum Monte Carlo ...order phase transi- tion, the machine learning model can well predict the quantum phases even for strong compression, (2) for the continuous case, the prediction of the ...
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[Sachdev S.] Quantum Phase Transitions(Bookos.org)
... rich phase diagram with a large number of quantum phase ...of transitions which will be relevance to the theoretical development in this ...order quantum phase tran- sitions via ...
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Emergence of coherence and the dynamics of quantum phase transitions
... Phase transitions are ubiquitous but rather intricate phe- nomena and it took until the 20th century until a theory of classical phase transitions was ...established. Quantum ...
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Dynamical quantum phase transitions (Review Article)
... of quantum systems has grown considerably. Quantum many body systems out of equilibrium often manifest behavior, different from the one predicted by standard statistical mechanics and thermodynamics in ...
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Entropy, chaos, and excited-state quantum phase transitions in the Dicke model
... isolated quantum systems with a high degree of accuracy and control has motivated both experimental and theoretical research in this area ...excited-state quantum phase transitions ...
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Prospects and applications near ferroelectric quantum phase transitions : a key issues review
... temperature phase transition where fluctuations in the order parameter are comparable to the average of the order parameter ...ferroelectric phase transitions, though of course most are ...
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Antiferromagnetic Quantum Phase Transitions: Continuous Tuning and Direct Probes of Competing States
... Since quantum phase transitions can be mapped to classical phase transitions with higher effective dimensionality, it will tend to approach mean-field predictions, especially for ...
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Transport Signatures Of Quantum Phase Transitions And The Interplay Of Geometry And Topology In Nodal Materials
... Of Quantum Phase Transitions And The Interplay Of Geometry And Topology In Nodal Materials Abstract The research presented in this thesis is divided into two ...for quantum phase ...
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Enhancing quantum phase transitions in the critical point of Extended TC-Dicke model via Stark effect
... The phase transition in a simple form using the Glauber’s coherent states has been derived by Wang and Hioe 3 , who they calculated the free energy of the Dicke model, in the thermodynamic ...radiant phase ...
Dynamical quantum phase transitions in the quantum Potts chain
... a quantum critical point with a non-trivial RG eigenvalue ...state quantum Potts chain, 27,28 which possesses a para- magnetic (PM) and a ferromagnetic (FM) phase sepa- rated by a quantum ...
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Exciton-driven quantum phase transitions in holography
... the quantum critical behavior driven by fermion ...for quantum criticality can be understood as being controlled by the scaling dimension of the fermion operator in the emergent IR fixed ...coupled ...
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Quantum phase transitions in nonhermitian harmonic oscillator
... nonhermitian quantum systems living in infinite-dimensional Hilbert spaces in which, after an appropriate formulation of the theory, even an innovative, quantum-phase- transition-opening “wild” ...
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Quantum phase transitions and quantum transport in low-dimensional topological systems
... logical transitions, even in the presence of finite density of states (DOS), extending our earlier work on single channel wires [73] to multichannel ...the phase diagram that show up as additional reentrant ...
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Excited state quantum phase transitions in pairing systems
... Treatment of scaling beyond semiclassical (“mean field”) scaling Bridging gap between ground state QPT (power law) and ESQPT Interactions beyond pure pairing interaction (role of integra[r] ...
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Applications of machine learning to studies of quantum phase transitions
... E-mail: [email protected] Abstract. In the past years Machine Learning has shown to be a useful tool in quantum many-body physics to detect phase transitions. Being able to identify phases via ...
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Quantum phase transitions in cuprates: stripes and antiferromagnetic supersolids
... rich phase diagram, which is reproduced in ...this phase diagram will not change in three dimensions if fluc- tuations are ...temperature phase transitions of LTT cuprates in terms of the ...
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Geometrical frustration effects on charge-driven quantum phase transitions
... The case t c = −t p deserves special attention. For Coulomb repulsion energies up to about V = 5.4t p , there is a moderate increase of the effective mass enhancements and a moderate shift of the peak to lower ...
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Quantum phase transitions in a dimerized Bose-Hubbard model: a DMRG study
... The kinetic energy can be controlled by laser field modu- lation. If two counter propagating laser beams of different wavelengths are used, the hopping amplitude can be mod- ulated as weaker and stronger in consecutive ...
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Computational studies of thermal and quantum phase transitions approached through non-equilibrium quenching
... change” (or “quasi-static change” for the classical systems.) However, this idea no longer holds when λ is tuned toward the transition point, because the relaxation time will eventu- ally diverge at the critical point, ...
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Dimensionless ratios : characteristics of quantum liquids and their phase transitions
... the quantum fluctuations of magnetization, hδM 2 i = ` d k B T χ, and particle number, hδN 2 i = ` d k B T κ; ` d denotes the observation volume in d- ...of quantum liquid at the renormalization fixed ...
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