Universality in Four-Body Scattering

被引:23
作者
Deltuva, A. [1 ]
Lazauskas, R. [2 ]
Platter, L. [3 ]
机构
[1] Univ Lisbon, Ctr Fis Nucl, P-1649003 Lisbon, Portugal
[2] Univ Strasbourg, IPHC, CNRS, IN2P3, F-67037 Strasbourg 2, France
[3] Chalmers, S-41296 Gothenburg, Sweden
关键词
N-PARTICLE SCATTERING; SYSTEM; LENGTH; STATES;
D O I
10.1007/s00601-011-0227-8
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The four-body system is studied in the limit of large two-body scattering length by solving momentum-space integral equations for the transition operators or, alternatively, configuration-space equations for wave function. A number of universal results for atom-trimer and dimer-dimer scattering observables are found. We furthermore address the question whether the universal four-body systems contain additional states besides the known two S-wave states.
引用
收藏
页码:235 / 247
页数:13
相关论文
共 26 条
[1]  
ALT EO, 1972, E46688 JINR
[2]   Universality in few-body systems with large scattering length [J].
Braaten, Eric ;
Hammer, H. -W. .
PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 2006, 428 (5-6) :259-390
[3]   Universal Four-Boson States in Ultracold Molecular Gases: Resonant Effects in Dimer-Dimer Collisions [J].
D'Incao, J. P. ;
von Stecher, J. ;
Greene, Chris H. .
PHYSICAL REVIEW LETTERS, 2009, 103 (03)
[4]  
Deltuva A, 2007, PHYS REV C, V76, DOI 10.1103/PhysRevC.76.021001
[5]   Four-body calculation of proton-3He scattering [J].
Deltuva, A. ;
Fonseca, A. C. .
PHYSICAL REVIEW LETTERS, 2007, 98 (16)
[6]   Four-nucleon system with Δ-isobar excitation [J].
Deltuva, A. ;
Fonseca, A. C. ;
Sauer, P. U. .
PHYSICS LETTERS B, 2008, 660 (05) :471-477
[7]   Four-nucleon scattering: Ab initio calculations in momentum space [J].
Deltuva, A. ;
Fonseca, A. C. .
PHYSICAL REVIEW C, 2007, 75 (01)
[8]   Efimov physics in bosonic atom-trimer scattering [J].
Deltuva, A. .
PHYSICAL REVIEW A, 2010, 82 (04)
[9]   Breakdown of universality in few-boson systems [J].
Deltuva, Arnoldas ;
Lazauskas, Rimantas .
PHYSICAL REVIEW A, 2010, 82 (01)
[10]   ENERGY LEVELS ARISING FROM RESONANT 2-BODY FORCES IN A 3-BODY SYSTEM [J].
EFIMOV, V .
PHYSICS LETTERS B, 1970, B 33 (08) :563-&