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Physical Review Letters, ISSN 0031-9007, 11/2015, Volume 115, Issue 21, p. 215301
We report on the deterministic preparation of antiferromagnetic Heisenberg spin chains consisting of up to four fermionic atoms in a one-dimensional trap... 
OPTICAL LATTICE | ULTRACOLD ATOMS | PHYSICS, MULTIDISCIPLINARY | FERMIONS | SYSTEMS | IMPENETRABLE BOSONS | TONKS-GIRARDEAU GAS | Antiferromagnetism | Accuracy | Particle spin | Chains | Mathematical models | Wave functions | Orientation | Cold atoms | Physics - Quantum Gases | Annan fysik | Fysik | Physical Sciences | Naturvetenskap | Natural Sciences | Other Physics Topics
Journal Article
Physical Review B - Condensed Matter and Materials Physics, ISSN 1098-0121, 05/2013, Volume 87, Issue 20
Results are presented for a two-point correlation function of a spin chain after a quantum quench for an intermediate time regime where inelastic effects are weak... 
PHYSICS, CONDENSED MATTER | HEISENBERG ANTIFERROMAGNETIC CHAIN | SYSTEMS | RELAXATION | ULTRACOLD GASES | CUPRATE | Physics - Strongly Correlated Electrons
Journal Article
Journal of High Energy Physics, ISSN 1029-8479, 8/2019, Volume 2019, Issue 8, pp. 1 - 31
Journal Article
Journal of Statistical Mechanics: Theory and Experiment, ISSN 1742-5468, 09/2014, Volume 2014, Issue 9, pp. P09005 - 17
Using the density-matrix renormalization group algorithm (DMRG) and a finite-size scaling analysis, we study the properties of the one-dimensional completely... 
quantum wires (theory) | ladders and planes (theory) | quantum phase transitions (theory) | optical lattices | spin chains | MATRIX RENORMALIZATION-GROUP | SOLUBLE MODEL | MECHANICS | ANTIFERROMAGNETIC CHAIN | PHYSICS, MATHEMATICAL | ULTRACOLD | Exchange | Optical lattices | Liquids | Algorithms | Anisotropy | Liquid phases | Chains | Constants | Ferromagnetism
Journal Article
Journal of Physics A: Mathematical and Theoretical, ISSN 1751-8113, 09/2017, Volume 50, Issue 41, p. 414002
Journal Article
Physical review letters, ISSN 0031-9007, 2013, Volume 111, Issue 13, p. 137205
The space-and time-dependent response of many-body quantum systems is the most informative aspect of their emergent behavior. The dynamical structure factor,... 
FNWI top publication | ORDERED PHASE | SPIN DYNAMICS | PHYSICS, MULTIDISCIPLINARY | TRANSITION RATES | COMPOUND KCUF3 | QUANTUM | DYNAMICAL CORRELATION-FUNCTION | NEUTRON-SCATTERING | MAGNETIC-FIELD | ANTIFERROMAGNETIC CHAIN | BETHE-ANSATZ | Physics - Strongly Correlated Electrons
Journal Article
Nuclear Physics, Section B, ISSN 0550-3213, 04/2019, Volume 941, pp. 794 - 837
We study a Y junction of spin-1/2 Heisenberg chains with an interaction that breaks both time-reversal and chain exchange symmetries, but not their product nor SU(2) symmetry... 
TRIANGULAR-LATTICE | PHASE | TRANSPORT | FUSION RULES | MODELS | BOUNDARY-CONDITIONS | LIQUID | DYNAMICS | HEISENBERG ANTIFERROMAGNETIC CHAIN | CONFORMAL-FIELD-THEORY | PHYSICS, PARTICLES & FIELDS | Monte Carlo method | Physics - Strongly Correlated Electrons
Journal Article
Physical Review Letters, ISSN 0031-9007, 02/2012, Volume 108, Issue 8, p. 081601
We introduce a spin chain based on finite-dimensional spin-1/2 SU(2) representations but with a non-Hermitian "Hamiltonian'' and show, using mostly analytical techniques, that it is described at low energies by the SL(2, R)/U(1... 
SYSTEM | LATTICE POTTS-MODEL | GROUND-STATE | PHYSICS, MULTIDISCIPLINARY | FIELD-THEORY | ANTIFERROMAGNETIC TRANSITION | 1-DIMENSIONAL CHAIN | CONTINUUM-LIMIT | HIGH-ENERGY QCD
Journal Article
Journal of the Physical Society of Japan, ISSN 0031-9015, 06/2016, Volume 85, Issue 6, p. 63704
We investigate the ground-state phase diagram of the bond-alternating S = 2 quantum spin chain with the XXZ and on-site anisotropies... 
SYSTEMS | TRANSITIONS | NEAREST-NEIGHBOR INTERACTIONS | PHYSICS, MULTIDISCIPLINARY | ANTIFERROMAGNETIC HEISENBERG CHAIN
Journal Article
Journal Article
Physical Review B - Condensed Matter and Materials Physics, ISSN 1098-0121, 08/2011, Volume 84, Issue 8
Journal Article
Physica B: Physics of Condensed Matter, ISSN 0921-4526, 09/2017, Volume 520, pp. 65 - 68
We use bond operator method to study the dimerized ferrimagnetic spin chain. With the dimerization parameter g from 1 to 0, the model describes the system from normal ferrimagnetic state to dimer state... 
Bond operator method | Dimerization parameter | Dimerized ferrimagnetic spin chain | PHYSICS, CONDENSED MATTER | MEAN-FIELD THEORY | MAGNETIZATION | MODEL | ANTIFERROMAGNETIC CHAINS | ANISOTROPY
Journal Article
Physical Review B - Condensed Matter and Materials Physics, ISSN 1098-0121, 01/2010, Volume 81, Issue 1
The minimal model to describe many spin-chain materials with ferroelectric properties is the Heisenberg model with ferromagnetic nearest-neighbor coupling J(1... 
PHYSICS, CONDENSED MATTER | HEISENBERG ANTIFERROMAGNETIC CHAIN | PHYSICS, APPLIED | MATERIALS SCIENCE, MULTIDISCIPLINARY | SUSCEPTIBILITY | Physics - Strongly Correlated Electrons
Journal Article
J Phys Soc Jpn, ISSN 0031-9015, 4/2011, Volume 80, Issue 4, pp. 043703 - 043703-4
The ground-state properties of the $S = 1/2$ frustrated Heisenberg spin chain with interactions up to fourth nearest neighbors are investigated by the exact-diagonalization method and density matrix renormalization group method... 
Quantum spin chain | Ferrimagnetism | DMRG | Exact diagonalization | Frustration | DELTA-CHAIN | PHYSICS, MULTIDISCIPLINARY | frustration | NEAREST-NEIGHBOR | quantum spin chain | COMPETING INTERACTIONS | exact diagonalization | QUANTUM RENORMALIZATION-GROUPS | DISTORTED DIAMOND CHAIN | ANTIFERROMAGNETIC INTERACTIONS | SYSTEMS | ferrimagnetism | GROUND-STATE PROPERTIES | CU3CL6(H2O)CENTER-DOT-2HCSO | CU-3(CO3)(OH) | Physics - Strongly Correlated Electrons
Journal Article
Physical Review B - Condensed Matter and Materials Physics, ISSN 0163-1829, 04/2000, Volume 61, Issue 14, pp. 9558 - 9606
Journal Article
Physical Review B - Condensed Matter and Materials Physics, ISSN 1098-0121, 04/2009, Volume 79, Issue 13
Journal Article
Physical Review Letters, ISSN 0031-9007, 04/2011, Volume 106, Issue 13, p. 137202
NMR measurements of the Si-29 spin-lattice relaxation time T-1 were used to probe the spin-1/2 random Heisenberg chain compound BaCu2(Si1-xGex)(2)O-7... 
MODEL | PHYSICS, MULTIDISCIPLINARY | ANTIFERROMAGNETIC CHAIN | QUANTUM SPIN CHAINS | WILLIAMS-WATTS | Physics - Strongly Correlated Electrons
Journal Article
Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, 04/2016, Volume 404, pp. 91 - 118
Journal Article