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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Many-body localization and quantum many-body scars: The strong and weak form of ergodicity breaking
多体定位 量子多体疤痕 遍历性断裂 强弱形式
2023/4/23
The fate of an isolated quantum many-body system has attracted much attention in the past decade. One of the most important issues is whether such a system can reach thermalization under its own dynam...
Saari's homographic conjecture for planar equal-mass three-body problem under a strong force potential
Saari's homographic conjecture planar equal-mass three-body problem Mathematical Physics
2011/9/1
Abstract: Donald Saari conjectured that the $N$-body motion with constant configurational measure is a motion with fixed shape. Here, the configurational measure $\mu$ is a scale invariant product of ...
Evaluation of High Order Terms for the Hubbard Model in the Strong-coupling Limit
for the Hubbard Model High Order Terms the Strong-coupling Limit Strongly Correlated Electrons
2011/7/28
Evaluation of High Order Terms for the Hubbard Model in the Strong-coupling Limit.
Evaluation of High Order Terms for the Hubbard Model in the Strong-coupling Limit
High Order Terms the Hubbard Model Strong-coupling
2011/9/15
The ground-state energy of the Hubbard model on a Bethe lattice with infinite connectivity at half filling is calculated for the insulating phase. Using Kohn抯 transformation to derive an effective Ham...
Transition probabilities and dynamic structure factor in the ASEP conditioned on strong flux
Transition probabilities dynamic structure factor strong flux
2010/11/23
We consider the asymmetric simple exclusion processes (ASEP) on a ring constrained to produce an atypically large flux, or an extreme activity. Using quantum free fermion techniques we find the time-d...
Beta decay and other processes in strong electromagnetic fields
Beta decay other processes strong electromagnetic fields
2011/1/5
We consider effects of the fields of strong electromagnetic waves on various characteris-
tics of quantum processes.
Strong Interactions of Single Atoms and Photons near a Dielectric Boundary
Interactions Single Atoms Dielectric Boundary
2010/11/8
Modern research in optical physics has achieved quantum control of strong interactions between a single atom and one photon within the setting of cavity quantum electrodynamics (cQED). However, to mov...
Strong gate coupling of high-Q nanomechanical resonators
nanomechanics NEMS quantum limit detection dissipation
2010/11/24
The detection of mechanical vibrations near the quantum limit is a formidable challenge since the displacement becomes vanishingly small when the number of phonon quanta tends towards zero.
An intere...
Polarization modes for strong-field gravitational waves
Polarization modes strong-field gravitational waves
2010/12/20
Strong-field gravitational plane waves are often represented in either the Rosen or Brinkmann forms. These forms are related by a coordinate transformation, so they should describe essentially the sam...
Strong lensing of gravitational waves as seen by LISA
Strong lensing of gravitational waves seen
2010/12/21
We discuss strong gravitational lensing of gravitational waves from merging of massive black hole binaries in the context of the LISA mission. Detection of multiple events would provide invaluable inf...
Possible splitting of deconfinement and chiral transitions in strong magnetic fields in QCD
Possible splitting of deconfinement chiral transitions strong magnetic fields
2011/1/14
We show that finite-temperature deconfinement and chiral transitions can split in a strong enough magnetic field. The splitting in critical temperatures of these transitions in a constant magnetic fie...
Electromagnetically superconducting phase of QCD vacuum induced by strong magnetic field
Quantum Chromodynamics Strong Magnetic Fields Superconductivity Rho Condensation
2011/1/14
In this talk we discuss our recent suggestion that the QCD vacuum in a sufficiently strong magnetic field (stronger than 1016 Tesla) may undergo a spontaneous transition to an electromagnetically supe...
Strong gravitational lensing across dilaton anti-de Sitter black hole
anti de Sitter gravitational lensing black holes
2010/3/18
In this work we investigate gravitational lensing effect in strong field region around a dilaton black holes in an anti de Sitter (ADS) space. We also analyse the dependence of the radius of the photo...
We introduce a new approach for investigating the weak field limit of vacuum field equations in f(R) gravity and we find the weak field limit of f(R) = R +{mu}^4/R gravity. Furthermore, we study the s...
Spin polarization phenomena in dense neutron matter at a strong magnetic field
Spin polarization phenomena dense neutron matter magnetic field
2011/1/6
Spin polarized states in neutron matter at strong magnetic fields up to 1018 G are considered
in the model with the Skyrme effective interaction. Analyzing the self-consistent equations at zero tempe...