Solitons and entanglement in the double sine-Gordon model

被引：5

作者：

Alonso Izquierdo, A. ^{[1
,2
]}

Mateos Guilarte, J. ^{[2
,3
]}

de Almeida, N. G. ^{[4
]}

机构：

[1] Univ Salamanca, Dept Matemat Aplicada, E-37008 Salamanca, Spain

[2] Univ Salamanca, IUFFyM, E-37008 Salamanca, Spain

[3] Univ Salamanca, Dept Fis Fundamental, E-37008 Salamanca, Spain

[4] Univ Fed Goias, Inst Fis, BR-74001970 Goiania, Go, Brazil

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2015年 / 48卷 / 01期

关键词：

soliton entanglement; double sine-Gordon potential; entanglement entropy;

D O I：

10.1088/0953-4075/48/1/015501

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The bipartite ground state entanglement in a finite linear harmonic chain of particles is numerically investigated. The particles are subjected to an external on-site periodic potential belonging to a family parametrized by the unit interval encompassing the sine-Gordon potential at both ends of the interval. Strong correspondences between the soliton entanglement entropy and the kink energy distribution profile as functions of the subchain length are found.

引用

页数：11

共 23 条

[1] One-loop kink mass shifts: A computational approach [J].

Alonso Izquierdo, A. ;

Mateos Guilarte, J. .

NUCLEAR PHYSICS B, 2011, 852 (03) :696-735

[2]

Braun O. M., 2004, TEXT MONOGR

[3] Nonlinear dynamics of the Frenkel-Kontorova model [J].

Braun, OM ;

Kivshar, YS .

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1998, 306 (1-2) :1-108

[4] KINK-ANTIKINK INTERACTIONS IN THE DOUBLE SINE-GORDON EQUATION [J].

CAMPBELL, DK ;

PEYRARD, M ;

SODANO, P .

PHYSICA D, 1986, 19 (02) :165-205

[5] Spontaneous nucleation and dynamics of kink defects in zigzag arrays of trapped ions [J].

Ejtemaee, S. ;

Haljan, P. C. .

PHYSICAL REVIEW A, 2013, 87 (05)

[6] Mobile qubits in quantum Josephson circuits [J].

Fujii, Toshiyuki ;

Nishida, Munehiro ;

Hatakenaka, Noriyuki .

PHYSICAL REVIEW B, 2008, 77 (02)

[7] Entanglement Generation Using Discrete Solitons in Coulomb Crystals [J].

Landa, H. ;

Retzker, A. ;

Schaetz, T. ;

Reznik, B. .

PHYSICAL REVIEW LETTERS, 2014, 113 (05)

[8] Structure, dynamics and bifurcations of discrete solitons in trapped ion crystals [J].

Landa, H. ;

Reznik, B. ;

Brox, J. ;

Mielenz, M. ;

Schaetz, T. .

NEW JOURNAL OF PHYSICS, 2013, 15

[9] Quantum Coherence of Discrete Kink Solitons in Ion Traps [J].

Landa, H. ;

Marcovitch, S. ;

Retzker, A. ;

Plenio, M. B. ;

Reznik, B. .

PHYSICAL REVIEW LETTERS, 2010, 104 (04)

[10] Quantum correlations in soliton collisions [J].

Lee, RK ;

Lai, YC ;

Kivshar, YS .

PHYSICAL REVIEW A, 2005, 71 (03)

← 1 2 3 →