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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Random Surface, Planar Lattice Model, and Conformal Field Theory
随机曲面 平面晶格模型 共形场论
2023/4/13
Liouville quantum gravity (LQG) is a theory of random surfaces that originated from string theory. Schramm Loewner evolution (SLE) is a family of random planar curves describing scaling limits of many...
Weak Pion and Photon Production off Nucleons in a Chiral Effective Field Theory
Weak Pion Photon Production off Nucleons Chiral Effective Field Theory
2011/1/7
Neutrino-induced pion and photon production from nucleons and nuclei are important for the
interpretation of neutrino-oscillation experiments, and these processes are potential backgrounds in the Min...
The Hamiltonian constraint in Polymer Parametrized Field Theory
Hamiltonian constraint Polymer Parametrized Field Theory
2010/12/20
Recently, a generally covariant reformulation of 2 dimensional flat spacetime free scalar field theory known as Parameterised Field The-ory was quantized using Loop Quantum Gravity (LQG) type ‘polymer...
Quantum Field Theory, Black Holes and Holography
Quantum Field Theory Black Holes Holography
2010/12/21
These notes are an expanded version of lectures given at the Croatian School on Black Holes at
Trpanj, June 21-25, 2010. The aim is to provide a practical introduction to quantum field theory in curv...
Topics in Quantum Field Theory in Curved Space
particle production Hamiltonian diagonalization vacuum fluctuations singularity avoidance
2010/12/20
In these lectures we consider some topics of Quantum Field Theory in Curved Space. In the first one particle creation in curved space is studied from a mathematical point of view, especially, particle...
We present a general framework to study relativistic compound systems in a Hamiltonian formalism. This formalism is based on the explicitly covariant formulation of light-front dynamics, with a decomp...
Symmetric Criticality in Classical Field Theory
Symmetric Criticality Classical Field Theory
2010/12/21
This is a brief overview of work done by Ian Anderson, Mark Fels, and myself on symmetry reduction of Lagrangians and Euler-Lagrange equations, a subject closely related to Palais’ Principle of Symmet...
A new microscopic nucleon-nucleon interaction derived from relativistic mean field theory
new microscopic nucleon-nucleon interaction derived relativistic mean field theory
2011/1/7
A new microscopic nucleon-nucleon (NN) interaction has been derived for the first time from
the popular relativistic mean field theory (RMFT) Lagrangian. The NN interaction so obtained
remarkably re...
Effective Field Theory and High-Precision Calculations of Nuclear Electroweak Processes
Effective Field Theory High-Precision Calculations of Nuclear Electroweak Processes
2011/1/7
High-precision calculations of electroweak processes in light nuclei are of great importance
for multiple reasons. Gerry Brown together with Dan-Olof Riska published in 1972 a famous calculation on r...
In this note, we survey some elementary theorems and proofs of dynamical matrices theory such that ones read them easily.
Semiclassical theory of energy diffusive escape in a Duffing oscillator
Semiclassical theory energy diffusive escape Duffing oscillator
2010/10/27
Motivated by recent experimental progress to read out quantum bits implemented in superconducting circuits via the phenomenon of dynamical bifurcation, transitions between steady orbits in a driven an...
Unified cosmic history in modified gravity: from F(R) theory to Lorentz non-invariant models
2010/12/20
Classical generalization of general relativity is considered as gravitational alternative for unified description of the early-time inflation with late-time cosmic acceleration. The structur and cosmo...
A systematic study of the superdeformation of Pb isotopes with relativistic mean field theory
Pb isotopes superdeformation relativistic mean field theory
2009/8/17
The microscopically constrained relativistic mean field theory is used to investigate the superdeformation for Pb isotopes. The calculations have been performed with the four different interactions NL...
Slave-Fermion Mean-Field Theory of Heisenberg Model
slave-fermion correlation function static susceptibility
2007/8/15
2007Vol.48No.2pp.363-365DOI:
Slave-Fermion Mean-Field Theory of Heisenberg Model
XU Lei and ZHANG Jun
School of Physics, Xinjiang University, Urumqi 830046, China
...
Evolution of Nielsen-Olesen's String from Chern-Simons Field Theory
φ-mapping theory dual string Nambu-Goto's action Hopf index Brower degree
2007/8/15
2007Vol.48No.1pp.147-150DOI:
Evolution of Nielsen-Olesen's String from Chern-Simons Field Theory
DUAN Yi-Shi1 and SHI Xu-Guang2
1 Institute of Theoretical Physics, Lanzh...