Search Results - "Mikelsons, K"
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Thermalization of field driven quantum systems
Published in Scientific reports (16-04-2014)“…There is much interest in how quantum systems thermalize after a sudden change, because unitary evolution should preclude thermalization. The eigenstate…”
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2
Quasiuniversal transient behavior of a nonequilibrium Mott insulator driven by an electric field
Published in Physical review letters (28-12-2012)“…We use a self-consistent strong-coupling expansion for the self-energy (perturbation theory in the hopping) to describe the nonequilibrium dynamics of strongly…”
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3
Quantum criticality and incipient phase separation in the thermodynamic properties of the Hubbard model
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (28-04-2011)“…Transport measurements on the cuprates suggest the presence of a quantum critical point (QCP) hiding underneath the superconducting dome near optimal hole…”
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4
Relationship between Hirsch-Fye and weak-coupling diagrammatic quantum Monte Carlo methods
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-05-2009)“…Two weak-coupling continuous time quantum Monte Carlo (CTQMC) methods are shown to be equivalent for Hubbard-type interactions. A relation between these CTQMC…”
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5
Role of the van Hove singularity in the quantum criticality of the Hubbard model
Published in Physical review. B, Condensed matter and materials physics (12-12-2011)Get full text
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6
Quantum criticality due to incipient phase separation in the two-dimensional Hubbard model
Published in Physical review. B, Condensed matter and materials physics (19-05-2010)Get full text
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7
Quantum criticality due to incipient phase separation in the two-dimensional Hubbard model
Published in Physical review. B, Condensed matter and materials physics (15-05-2010)“…We investigate the two-dimensional Hubbard model with next-nearest-neighbor hopping, t', using the dynamical cluster approximation. We confirm the existence of…”
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8
Density-wave patterns for fermionic dipolar molecules on a square optical lattice: Mean-field-theory analysis
Published in Physical review. A, Atomic, molecular, and optical physics (12-04-2011)“…We model a system of ultracold fermionic dipolar molecules on a two-dimensional square lattice. Assuming that the molecules are in their nondegenerate…”
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9
Thermodynamics of the quantum critical point at finite doping in the two-dimensional Hubbard model studied via the dynamical cluster approximation
Published in Physical review. B, Condensed matter and materials physics (01-10-2009)“…We study the thermodynamics of the two-dimensional Hubbard model within the dynamical cluster approximation. We use continuous time quantum Monte Carlo as a…”
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10
Role of the van Hove singularity in the quantum criticality of the Hubbard model
Published in Physical review. B, Condensed matter and materials physics (01-12-2011)“…A quantum critical point is found in the phase diagram of the two-dimensional Hubbard model [Vidhyadhiraja et al., Phys. Rev. Lett. 102, 206407 (2009)]. It is…”
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11
Thermalization of field driven quantum systems
Published 31-10-2013“…Scientific Reports 4, 4699 (2014) There is much interest in how quantum systems thermalize after a sudden change, because unitary evolution should preclude…”
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12
Feshbach modulation spectroscopy
Published 01-08-2014“…Phys. Rev. A 92, 053612 (2015) In the vicinity of a Feshbach resonance, a system of ultracold atoms on an optical lattice undergoes rich physical…”
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13
Theoretical Description of Coherent Doublon Creation via Lattice Modulation Spectroscopy
Published 28-01-2014“…Phys. Rev. A 89, 021602(R) (2014) Using a recently developed strong-coupling method, we present a comprehensive theory for doublon production processes in…”
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14
Simulation of inhomogeneous distributions of ultracold atoms in an optical lattice via a massively parallel implementation of nonequilibrium strong-coupling perturbation theory
Published 23-09-2013“…Phys. Rev. E 89, 023306 (2014) We present a nonequilibrium strong-coupling approach to inhomogeneous systems of ultracold atoms in optical lattices. We…”
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15
Density wave patterns for fermionic dipolar molecules on a square optical lattice: Mean-field-theory analysis
Published 03-02-2011“…Phys. Rev. A, 83, 043609 (2011) We model a system of ultracold fermionic dipolar molecules on a two-dimensional square lattice. Assuming that the molecules are…”
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16
Quasi-universal transient behavior of a nonequilibrium Mott insulator driven by an electric field
Published 22-10-2012“…Physical Review Letters 109, 260402 (2012) We use a self-consistent strong-coupling expansion for the self-energy (perturbation theory in the hopping) to…”
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17
Thermodynamics of the Quantum Critical Point at Finite Doping in the 2D Hubbard Model: A Dynamical Cluster Approximation Study
Published 02-09-2009“…Phys. Rev. B 80, 140505(R) (2009) We study the thermodynamics of the two-dimensional Hubbard model within the dynamical cluster approximation. We use…”
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18
Quantum Criticality and Incipient Phase Separation in the Thermodynamic Properties of the Hubbard Model
Published 14-09-2010“…Philosophical Transactions of the Royal Society A, 369, 1670 (2011) Transport measurements on the cuprates suggest the presence of a quantum critical point…”
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19
Role of the van Hove Singularity in the Quantum Criticality of the Hubbard Model
Published 21-10-2011“…Phys. Rev. B 84, 245107 (2011) A quantum critical point (QCP), separating the non-Fermi liquid region from the Fermi liquid, exists in the phase diagram of the…”
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20
Quantum Criticality Due to Incipient Phase Separation in the Two-dimensional Hubbard Model
Published 19-05-2010“…Phys. Rev. B 81, 201101(R) (2010) We investigate the two-dimensional Hubbard model with next-nearest-neighbor hopping, t', using the dynamical cluster…”
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