Monte Carlo Effective Hamiltonian in 1+1 Dimensional Case' |
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| Authors: | HUANG ChunQing JIANG JunQin LUO XiangQian |
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| Institution: | Department of Physics,Foshan Science and Technology College,Foshan 528000,China2 Department of Physics,Guangdong Institute of Education,Guangzhou 510303,China3 Department of Physics,Zhongshan University,Guangzhou 510275,China4 Département de Physique,Université Laval,Québec,Québec G1K7P4,Canada5 Department of Mathematics,Statistics and Computational Science,Dallhousie University, Halifax,Nova Scotia B3H 3J5,Canada |
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| Abstract: | Using a recently developed Monte Carlo effective Hamiltonian method,we study the low energy physics of 1+1 dimensional quantum mechanical system V(x)=μ2x2+λx4(here μ2<0,λ>0),which is similar to Higgs potential in the standard model of unified electroweak theory.Good results of the spectra,wavefunctions and thermodynamical observables are obtained.It shows that the new Monte Carlo Hamiltonian method has potential application to systems with many degrees of freedom and lattice gauge theory. |
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