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Nucleon Axial Matrix Elements
Nuclear axis matrix elements chiral perturbation theory
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2014/12/22
Current issues associated with nucleon axial matrix elements are studied, including the Goldberger-Treiman discrepancy, the induced pseudoscalar, and SU(3) chiral perturbation theory.
The influence of dimension eight operators on weak matrix elements
Mu dimension calculation matrix elements scale dimensional regularization
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2014/12/22
I describe recent work with V. Cirigliano and E. Golowich on the effect of dimension eight operators on weak nonleptonic amplitudes. The basic mesage is that there is an inconsistency in the way that ...
Non-diagonal open spin-1/2 XXZ quantum chains by separation of variables: Complete spectrum and matrix elements of some quasi-local operators
Non-diagonal open spin-1/2 XXZ quantum chains by separation of variables Complete spectrum matrix elements Mathematical Physics
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2012/6/19
The integrable quantum models associated to the transfer matrices of spin 1/2 highest weight representations for the 6-vertex reflection algebra are studied in the framework of Sklyanin's quantum sepa...
Uncertainties in nuclear transition matrix elements for neutrinoless $ββ$ decay II: the heavy Majorana neutrino mass mechanism
matrix elements neutrino mass mechanism
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2011/7/20
Employing four different parametrization of the pairing plus multipolar type of effective two-body interaction and three different parametrizations of Jastrow-type of short range correlations, the unc...
Spectral distribution method for neutrinoless double-beta decay nuclear transition matrix elements: Binary correlation results
neutrinoless double-beta decay nuclear transition
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2011/7/20
Neutrinoless double-beta decay nuclear transition matrix elements are generated by an effective two-body transition operator and it consists of Gamow-Teller like and Fermi like (also tensor) operators...
Tensorial form and matrix elements of the relativistic nuclear recoil operator
Isotope shifts, mass shift, relativistic nuclear recoil
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2011/8/31
Within the lowest-order relativistic approximation (∼ v2/c2) and to first order in me/M, the tensorial form of the relativistic corrections of the nuclear recoil Hamiltonian is derived, opening ...
K --> pi pi matrix elements from mixed action lattice QCD
K --> pi pi matrix elements mixed action lattice QCD
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2011/1/7
We present a new method for determining K --> pi pi matrix elements from lattice simulations that is less costly than direct simulations of K --> pi pi at physical kinematics. It improves, however, up...
Spin operator matrix elements in the quantum Ising chain: fermion approach
Spin operator matrix elements quantum Ising chain
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2010/12/27
Using some modification of the standard fermion technique we derive factorized formula for spin operator matrix elements (form-factors) between general eigenstates of the Hamiltonian of quantum Ising ...
Spin operator matrix elements in the quantum Ising chain: fermion approach
Quantum Ising chain form-factors fermions Onsager algebra
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2010/11/22
Using some modification of the standard fermion technique we derive factorized formula for
spin operator matrix elements (form-factors) between general eigenstates of the Hamiltonian
of quantum Isin...
Radial Matrix Elements of Hydrogen Atom and the Correspondence Principle
Hydrogen excited states radial matrix element
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2009/5/19
Radial dipole matrix elements having astrophysical importance
have been computed for highly excited states of hydrogen atom.
Computation is based on Heisenberg’s form of correspondence principle
fo...
Matrix Elements of One- and
Two-Body Operators in the Unitary Group Approach (II) - Application
configuration interaction problems many-electron systems unitary
group approach
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2007/8/15
2001Vol.35No.3pp.257-262DOI:
Matrix Elements of One- and
Two-Body Operators in the Unitary Group Approach (II) - Application
DAI Lian-Rong and PAN Feng
Department of Phy...
Matrix Elements of One- and Two-Body Operators in the Unitary Group Approach (I) - Formalism
unitary group approach tensor algebraic method many-body
matrix elements
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2007/8/15
2001Vol.35No.2pp.129-136DOI:
Matrix Elements of One- and Two-Body Operators in the Unitary Group Approach (I) - Formalism
DAI Lian-Rong and PAN Feng
Department of Physic...
Matrix Elements in Fermion Dynamical Symmetry Model
fermion dynamical symmetry neutron-proton interaction
matrix element
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2007/8/15
2002Vol.38No.6pp.703-708DOI:
Matrix Elements in Fermion Dynamical Symmetry Model
LIU Guang-Zhou and LIU Wei
Center of Theoretical Physics and Department of Physics,
Jili...
Analytic Expression of Arbitrary Matrix Elements for Boson
Exponential Quadratic Polynomial Operators
Boson exponential quadratic polynomial operator matrix element
P representation partition function of Boson quadratic polynomial system
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2007/8/15
2007Vol.47No.1pp.41-44DOI:
Analytic Expression of Arbitrary Matrix Elements for Boson
Exponential Quadratic Polynomial Operators
XU Xiu-Wei, REN Ting-Qi, LIU Shu-Yan, MA Qiu-Ming,...
Analytical Expressions of Matrix Elements of Physical
Quantities for Dirac Oscillator
Dirac equation Dirac oscillator matrix element
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2007/8/15
2004Vol.41No.2pp.195-200DOI:
Analytical Expressions of Matrix Elements of Physical
Quantities for Dirac Oscillator
LI Ning, JU Guo-Xing, and REN Zhong-Zhou
Department ...