Spherical Deformation for One-Dimensional Quantum Systems(Condensed Matter Physics)
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概要
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System-size dependence of the ground-state energy E^N is investigated for N-site one-dimensional (1D) quantum systems with open boundary condition, where the interaction strength decreases towards the both ends of the system. For the spinless Fermions on the 1D lattice we have considered, it is shown that the finite-size correction to the energy per site, which is defined as E^N/N-lim_<N→∞>E^N/N, is of the order of 1/N^2 when the reduction factor of the interaction is expressed by a sinusoidal function. We discuss the origin of this fast convergence from the viewpoint of the spherical geometry.
- 理論物理学刊行会の論文
- 2009-10-25
著者
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GENDIAR Andrej
Institute of Electrical Engineering, Slovak Academy of Sciences
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Krcmar Roman
Institute Of Electrical Engineering Slovak Academy Of Sciences
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Gendiar Andrej
Institute Of Electrical Engineering Slovak Academy Of Sciences
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Gendiar Andrej
Institute Of Electrical Engineering Slovak Academy Of Sciences:institute For Theoretical Physics C R
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NISHINO Tomotoshi
Institute for Theoretical Physics C, RWTH University Aachen
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Nishino Tomotoshi
Institute For Theoretical Physics C Rwth University Aachen:department Of Physics Graduate School Of
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Nishino Tomotoshi
Institute For Theoretical Physics C Rwth University Aachen:department Of Physics Graduate School Of
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NISHINO Tomotoshi
Institute for Theoretical Physics C, RWTH University Aachen:Department of Physics, Graduate School of Science, Kobe University
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KRCMAR Roman
Institute of Electrical Engineering, Slovak Academy of Sciences
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GENDIAR Andrej
Institute of Electrical Engineering, Slovak Academy of Sciences:Institute for Theoretical Physics C, RWTH University Aachen
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