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Electronic Journal of Differential Equations, ISSN 1072-6691, 11/2019, Volume 2019, Issue 127, pp. 1 - 18
This article concerns the existence, characterization and number of ground states for the system consisting of m coupled semilinear equations $$\displaylines{... 
coupled equations | ground states
Journal Article
Physical Review B, ISSN 1098-0121, 2012, Volume 85, Issue 7
We discuss the characterization and stability of the Haldane phase in integer spin chains on the basis of simple, physical arguments. We find that an odd-S... 
PHYSICS, CONDENSED MATTER | MODELS | BOND GROUND-STATES | CHAINS | TRANSITIONS | HIDDEN ZXZ SYMMETRY | ANTIFERROMAGNETS
Journal Article
Physical Review B - Condensed Matter and Materials Physics, ISSN 1098-0121, 09/2012, Volume 86, Issue 12
A topological phase is a phase of matter which cannot be characterized by a local order parameter. It has been shown that gapped symmetric phases in... 
PHYSICS, CONDENSED MATTER | BOND GROUND-STATES | QUANTUM SPIN CHAINS | ANTIFERROMAGNETS
Journal Article
Physical Review Letters, ISSN 0031-9007, 12/2017, Volume 119, Issue 24, p. 246402
We study fourfold rotation-invariant gapped topological systems with time-reversal symmetry in two and three dimensions (d = 2, 3). We show that in both cases... 
INSULATORS | BOND GROUND-STATES | PHYSICS, MULTIDISCIPLINARY | ANTIFERROMAGNETS
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 06/2005, Volume 127, Issue 22, pp. 8028 - 8029
We have extended our functionalization strategy for pentacene to the higher acenes hexacene and heptacene. Provided a large enough alkyne substituent is used,... 
PENTACENE | DERIVATIVES | CHEMISTRY, MULTIDISCIPLINARY | GROUND-STATES | Structure | Crystals | Research
Journal Article
Physical Review Letters, ISSN 0031-9007, 03/2018, Volume 120, Issue 11, p. 117202
Frustrated quantum magnets are a central theme in condensed matter physics due to the richness of their phase diagrams. They support a panoply of phases... 
ORDER | TRIANGULAR-LATTICE | PHYSICS, MULTIDISCIPLINARY | GROUND-STATES
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 12/2011, Volume 84, Issue 6
We solve the zero-temperature unitary Fermi gas problem by incorporating a BCS importance function into the auxiliary-field quantum Monte Carlo method. We... 
GAS | OPTICS | GROUND-STATES | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL
Journal Article
Nonlinear Analysis, ISSN 0362-546X, 08/2018, Volume 173, pp. 19 - 36
In this paper, we study the existence and concentration behavior of semiclassical ground states for a class of saturable nonlinear Schrödinger equations with... 
Saturable nonlinearity | Ground states | Concentrations | Schrödinger equations
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 12/2013, Volume 135, Issue 48, pp. 18229 - 18236
Clar's aromatic sextet rule has been widely used for the prediction of the reactivity and stability of polycyclic aromatic hydrocarbons with a closed-shell... 
TUNABLE GROUND-STATES | HYDROCARBONS | ORBITALS | ABSORPTION | OPEN-SHELL | CLOSED-SHELL | CHEMISTRY, MULTIDISCIPLINARY
Journal Article
05/2009
Nature Phys. 6, 289 - 295 (2010) Fermionic alkaline-earth atoms have unique properties that make them attractive candidates for the realization of novel atomic... 
Journal Article
Physical Review Letters, ISSN 0031-9007, 08/2018, Volume 121, Issue 8, p. 086808
Entanglement properties are routinely used to characterize phases of quantum matter in theoretical computations. For example, the spectrum of the reduced... 
PHYSICS, MULTIDISCIPLINARY | BOND GROUND-STATES | Condensed Matter | Physics | Other
Journal Article
Communications on Pure and Applied Mathematics, ISSN 0010-3640, 09/2016, Volume 69, Issue 9, pp. 1671 - 1726
We prove general uniqueness results for radial solutions of linear and nonlinear equations involving the fractional Laplacian (−Δ)s with s ∊ (0,1) for any... 
SCHRODINGER-EQUATIONS | INTEGRAL-EQUATION | MATHEMATICS | MATHEMATICS, APPLIED | WAVES | REGULARITY | POSITIVE SOLUTIONS | ELLIPTIC-EQUATIONS | CAUCHY PROCESS | BLOW-UP | CONFORMAL GEOMETRY | GROUND-STATES
Journal Article
Journal of Mathematical Physics, ISSN 0022-2488, 11/2017, Volume 58, Issue 11
We study the quasilinear Schrödinger equation arising from the nonlinear dynamics of the superfluid condensate − Δ u + λ u + κ 2 ( Δ u 2 ) u = β [ 1 α 3 − 1 (... 
SOLITON-SOLUTIONS | FILMS | PHYSICS, MATHEMATICAL | GROUND-STATES
Journal Article
PHYSICAL REVIEW LETTERS, ISSN 0031-9007, 06/2015, Volume 114, Issue 24, p. 247204
The two-dimensional Affeck-Kennedy-Lieb-Tasaki (AKLT) model on a honeycomb lattice has been shown to be a universal resource for quantum computation. In this... 
PHYSICS, MULTIDISCIPLINARY | BOND GROUND-STATES | ANTIFERROMAGNETS
Journal Article
Nature, ISSN 0028-0836, 06/2008, Volume 453, Issue 7197, pp. 899 - 902
Following the discovery of long- range antiferromagnetic order in the parent compounds of high- transition- temperature ( high- T-c) copper oxides(1,2), there... 
MULTIDISCIPLINARY SCIENCES
Journal Article
Physical Review Letters, ISSN 0031-9007, 07/2004, Volume 93, Issue 4, pp. 040502 - 1
We present a numerical method to simulate the time evolution, according to a generic Hamiltonian made of local interactions, of quantum spin chains and systems... 
DECOMPOSITION | BOND GROUND-STATES | PHYSICS | PHYSICS, MULTIDISCIPLINARY | ANTIFERROMAGNETS | RENORMALIZATION | Physics - Quantum Physics
Journal Article
Physical Review Letters, ISSN 0031-9007, 08/2001, Volume 87, Issue 6, pp. 670021 - 670024
We investigate by electrical transport the field-induced superconducting state (FISC) in the organic conductor lambda-(BETS)(2)FeCl4. Below 4 K,... 
PHYSICS, MULTIDISCIPLINARY | FERROMAGNETISM | MAGNETIC FIELDS | TRANSPORT | ORGANIC INSULATORS | SUPERCONDUCTIVITY | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | GROUND STATES
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 07/2011, Volume 50, Issue 31, pp. 7013 - 7017
Nine in a line: A multifaceted approach, including a silylethylene functionalization strategy, to the synthesis of stable nonacene derivatives (see picture, F... 
organic materials | acenes | aromatic compounds | alkynes | POLYACENE | STABILITY | ORGANIC SEMICONDUCTORS | CHEMISTRY, MULTIDISCIPLINARY | TRANSISTORS | HEPTACENE | PENTACENES | DERIVATIVES | GROUND-STATES | ELECTRONICS
Journal Article
COMMUNICATIONS IN MATHEMATICAL PHYSICS, ISSN 0010-3616, 05/2019, Volume 367, Issue 3, pp. 1019 - 1043
We derive lower bounds for the variance of the difference of energies between incongruent ground states, i.e., states with edge overlaps strictly less than... 
NUMBER | PHASE | PURE STATES | BEHAVIOR | PHYSICS, MATHEMATICAL | GROUND-STATES
Journal Article
Computers & Mathematics with Applications, ISSN 0898-1221, 09/2019
Journal Article
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