Journal Articles
Morrison, K,
Betouras, JJ, Venkat, G, Ewings, RA, Caruana, AJ, Skokov, KP, Gutfleisch, O, Cohen, LF (2024)
Emergence of a Hidden Magnetic Phase in LaFe11.8Si1.2 Investigated by Inelastic Neutron Scattering as a Function of Magnetic Field and Temperature,
Advanced Physics Research, 2400008, ISSN: 2751-1200. DOI:
10.1002/apxr.202400008.
Classen, L and
Betouras, J (2024)
High-order Van Hove singularities and their connection to flat bands,
Annual Review of Condensed Matter Physics, ISSN: 1947-5454.
Kokkinis, EK,
Betouras, J, Zotos, X (2024)
Reactive Hall and Edelstein effects in a tight-binding model with spin-orbit coupling,
Physical Review B, 109(7), 075168, ISSN: 2469-9950. DOI:
10.1103/physrevb.109.075168.
Zervou, A, Efremov, D,
Betouras, J (2023)
Fate of density waves in the presence of a higher-order van Hove singularity,
Physical Review Research, 5(4), L042006, DOI:
10.1103/PhysRevResearch.5.L042006.
Georgiou, M, Rousochatzakis, I,
Betouras, J (2023)
Multi-Q magnetic phases from frustration and chiral interactions,
Physical Review B, 108(2), 024412, ISSN: 2469-9950. DOI:
10.1103/physrevb.108.024412.
Chandrasekaran, A and
Betouras, J (2023)
A practical method to detect, analyze, and engineer higher order Van Hove singularities in multi-band Hamiltonians,
Advanced Physics Research, 2(5), 2200061, DOI:
10.1002/apxr.202200061.
Kokkinis, EK, Goldstein, G, Efremov, DV,
Betouras, J (2022)
Semiclassical transport with Berry curvature: Chambers formula and applications to systems with Fermi surface topological transitions,
Physical Review B, 105(15), 155123, ISSN: 2469-9950. DOI:
10.1103/physrevb.105.155123.
Chandrasekaran, A and
Betouras, J (2022)
Effect of disorder on density of states and conductivity in higher-order Van Hove singularities in two-dimensional bands,
Physical Review B, 105(7), ISSN: 2469-9950. DOI:
10.1103/PhysRevB.105.075144.
Tarkhany, AR, Discacciati, M,
Betouras, JJ (2021)
Theory of surface-induced multiferroicity,
Physical Review B: Condensed Matter and Materials Physics, ISSN: 1098-0121.
Chandrasekaran, A, Shtyk, A,
Betouras, J, Chamon, C (2020)
Catastrophe theory classification of Fermi surface topological transitions in two dimensions,
Physical Review Research, 2(1), 013355, DOI:
10.1103/physrevresearch.2.013355.
Efremov, DV, Shtyk, A, Rost, AW, Chamon, C, Mackenzie, AP,
Betouras, JJ (2019)
Multicritical Fermi surface topological transitions,
Physical Review Letters, 123, 207202, ISSN: 0031-9007. DOI:
10.1103/PhysRevLett.123.207202.
Mason, P, Zagoskin, A,
Betouras, J (2019)
Time-dependent Real-space Renormalization-Group Approach: application to
an adiabatic random quantum Ising model,
Journal of Physics A: Mathematical and General, ISSN: 0305-4470.
Sherkunov, Y and
Betouras, JJ (2018)
Electronic phases in twisted bilayer graphene at magic angles as a result of Van Hove singularities and interactions,
Physical Review B, 98(20), ISSN: 2469-9950. DOI:
10.1103/PhysRevB.98.205151.
Sherkunov, Y, Chubukov, AV,
Betouras, JJ (2018)
Effects of Lifshitz transitions in ferromagnetic superconductors: the
case of URhGe,
Physical Review Letters, 121, 097001, ISSN: 0031-9007. DOI:
10.1103/PhysRevLett.121.097001.
Slizovskiy, S, Rodriguez-Lopez, P,
Betouras, JJ (2018)
Nematic phase in a two-dimensional Hubbard model at weak coupling and finite temperature,
Physical Review B, 98(7), ISSN: 2469-9950. DOI:
10.1103/PhysRevB.98.075126.
Qureshi, MA, Zhong, J, Mason, P,
Betouras, J, Zagoskin, A (2018)
Pechukas-Yukawa formalism for Landau-Zener transitions in the presence of external noise,
Physical Review A, 98(1), ISSN: 2469-9926. DOI:
10.1103/PhysRevA.98.012128.
Qureshi, M, Zhong, J, Qureshi, Z, Mason, P,
Betouras, JJ, Zagoskin, AM (2018)
Pechukas-Yukawa approach to the evolution of the quantum state of a parametrically perturbed system,
Physical Review A, 97(3), ISSN: 2469-9926. DOI:
10.1103/PhysRevA.97.032117.
Cole, R, Pollmann, F,
Betouras, JJ (2017)
Entanglement scaling and spatial correlations of the transverse field
Ising model with perturbations,
Physical Review B - Condensed Matter and Materials Physics, 95, 214410, ISSN: 0163-1829. DOI:
10.1103/PhysRevB.95.214410.
Qureshi, M, Zhong, J,
Betouras, J, Zagoskin, A (2017)
Bogoliubov-Born-Green-Kirkwood-Yvon chain and kinetic equations for the level dynamics in an externally perturbed quantum system,
Physical Review A, (95), ISSN: 2469-9934. DOI:
10.1103/PhysRevA.95.032126.
Ferreyra, MV, Giordano, G, Borzi, RA,
Betouras, JJ, Grigera, SA (2016)
Thermodynamics of the classical spin-ice model with nearest neighbour
interactions using the Wang-Landau algorithm,
European Physical Journal B: Condensed Matter and Complex Systems, 89, 51, ISSN: 1434-6028. DOI:
10.1140/epjb/e2016-60781-7.
Slizovskiy, S, Chubukov, A,
Betouras, J (2015)
Magnetic fluctuations and specific heat in NaxCoO2 near a Lifshitz transition,
PHYSICAL REVIEW LETTERS, 114(6), ISSN: 0031-9007. DOI:
10.1103/PhysRevLett.114.066403.
Slizovskiy, S,
Betouras, JJ, Carr, ST, Quintanilla, J (2014)
Effect of paramagnetic fluctuations on a Fermi surface topological
transition in two dimensions,
Phys.Rev. B, 90, 165110, DOI:
10.1103/PhysRevB.90.165110.
Rodriguez-Lopez, P,
Betouras, JJ, Savel'ev, SE (2014)
Dirac fermion time-Floquet crystal: manipulating Dirac points,
Phys. Rev. B, 89, 155132.
Langridge, S, Watson, GM, Gibbs, D,
Betouras, JJ, Gidopoulos, NI, Pollmann, F, Long, MW, Vettier, C, Lander, GH (2014)
Distinct magnetic phase transition at the surface of an antiferromagnet,
Phys. Rev. Lett, 112, 167201.
Chubukov, AV,
Betouras, JJ, Efremov, DV (2014)
Non-Landau damping of magnetic excitations in systems with localized and
itinerant electrons,
Phys. Rev. Lett, 112, 037202.
Zagoskin, AM, Ilichev, E, Grajcar, M,
Betouras, JJ, Nori, F (2014)
How to test the "quantumness" of a quantum computer?,
Frontiers in Physics, 2, 33, ISSN: 2296-424X. DOI:
10.3389/fphy.2014.00033.
Slizovskiy, S and
Betouras, J (2012) Nonlinear magnetization of graphene,
Physical Review B: Condensed Matter and Materials Physics, 86(12), pp.125440-125440-1/7.
Slizovskiy, S and
Betouras, J (2012)
Nonlinear magnetization of graphene,
Phys.Rev, B86, pp.125440-125440.
Pollmann, F,
Betouras, J, Shtengel, K, Fulde, P (2011)
Fermionic quantum dimer and fully-packed loop models on the square lattice,
Physical Review B, 83(15), pp.155117-1/11, ISSN: 1098-0121. DOI:
10.1103/PhysRevB.83.155117.
Carr, ST, Quintanilla, J,
Betouras, J (2010)
Lifshitz transitions and crystallization of fully polarized dipolar fermions in an anisotropic two-dimentional lattice,
Physical Review B, 82(4), pp.045110-1/13, ISSN: 1098-0121. DOI:
10.1103/PhysRevB.82.045110.
Papanikolaou, S and
Betouras, J (2010)
First-Order versus Unconventional Phase Transitions in Three-Dimensional Dimer Models,
Physical Review Letters, 104(4), pp.045701-1/4, ISSN: 0031-9007. DOI:
10.1103/PhysRevLett.104.045701.
Carr, ST, Quintanilla, J,
Betouras, J (2009)
Deconfinement and quantum liquid crystalline states of dipolar fermions in optical lattices,
International Journal of Modern Physics B, 23(20 & 21), pp.4074-4086, ISSN: 0217-9792. DOI:
10.1142/S0217979209063262.
Quintannilla, J, Carr, ST,
Betouras, J (2009)
Metanematic, smeetic, and crystalline phases of dipolar fermions in an optical lattice,
Physical Review A, 79(3), pp.031601-1/4, ISSN: 1050-2947. DOI:
10.1103/PhysRevA.79.031601.
Efremov, DV,
Betouras, J, Chubukov, A (2008)
Nonanalytic behaviour of two-dimensional itinerant ferromagnets,
Physical Review B, 77(22), pp.220401-1/4, ISSN: 1098-0121. DOI:
10.1103/PhysRevB.77.220401.
Pollmann, F,
Betouras, JJ, Runge, E, Fulde, P (2008)
Charge degrees of freedom in the quarter-filled checkerboard lattice (vol 310, pg 966, 2007),
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 320(11), pp.1802-1802, ISSN: 0304-8853. DOI:
10.1016/j.jmmm.2008.01.024.
Pollmann, F,
Betouras, JJ, Runge, E, Fulde, P (2008) Erratum to: "Charge degrees of freedom in the quarter-filled checkerboard lattice". [JMMM 310 (2007) 966] (DOI:10.1016/j.jmmm.2006.10.348),
Journal of Magnetism and Magnetic Materials, 320(11), pp.1802-1802, ISSN: 0304-8853.
Betouras, JJ, Giovannetti, G, Van Den Brink, J (2007)
Multiferroicity induced by dislocated spin-density waves,
Physical Review Letters, 98(25), ISSN: 0031-9007. DOI:
10.1103/PhysRevLett.98.257602.
Pollmann, F,
Betouras, JJ, Runge, E, Fulde, P (2007) Charge degrees in the quarter-filled checkerboard lattice,
Journal of Magnetism and Magnetic Materials, 310(2 SUPPL. PART 2), pp.966-968, ISSN: 0304-8853.
Pollmann, F,
Betouras, JJ, Shtengel, K, Fulde, P (2006)
Correlated fermions on a checkerboard lattice,
Physical Review Letters, 97(17), ISSN: 0031-9007. DOI:
10.1103/PhysRevLett.97.170407.
Pollmann, F,
Betouras, JJ, Runge, E (2006)
Classical correlations of defects in lattices with geometrical frustration in the motion of a particle,
Physical Review B - Condensed Matter and Materials Physics, 73(17), ISSN: 1098-0121. DOI:
10.1103/PhysRevB.73.174417.
Betouras, J, Efremov, D, Chubukov, A (2005)
Thermodynamics of a Fermi liquid in a magnetic field,
PHYSICAL REVIEW B, 72(11), ARTN 115112, ISSN: 1098-0121. DOI:
10.1103/PhysRevB.72.115112.
Piacente, G, Schweigert, IV,
Betouras, JJ, Peeters, FM (2004)
Generic properties of a quasi-one-dimensional classical Wigner crystal,
Physical Review B - Condensed Matter and Materials Physics, 69(4), pp.453241-4532417, ISSN: 0163-1829.
Piacente, G, Schweigert, IV,
Betouras, JJ, Peeters, FM (2004) Structural properties and melting of a quasi-one-dimensional classical Wigner crystal,
Physica E: Low-Dimensional Systems and Nanostructures, 22(1-3), pp.779-782, ISSN: 1386-9477.
Piacente, G, Peeters, FM,
Betouras, JJ (2004)
Normal modes of a quasi-one-dimensional multichain complex plasma,
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 70(3 2), pp.036406-1-036406-13, ISSN: 1539-3755.
Betouras, JJ, Ivanov, VA, Peeters, FM (2003)
Ginzburg-Landau theory and effects of pressure on a two-band superconductor: Application to MgB2,
European Physical Journal B, 31(3), pp.349-354, ISSN: 1434-6028. DOI:
10.1140/epjb/e2003-00041-7.
Piacente, G, Schweigert, IV,
Betouras, JJ, Peeters, FM (2003)
Structural properties and melting of a quasi-one dimensional classical Wigner crystal,
Solid State Communications, 128(2-3), pp.57-61, ISSN: 0038-1098. DOI:
10.1016/S0038-1098(03)00647-1.
Betouras, JJ (2001)
On the dephasing time of the chiral metal,
Europhysics Letters, 53(1), pp.66-71, ISSN: 0295-5075. DOI:
10.1209/epl/i2001-00124-7.
Betouras, JJ and Chalker, JT (2000)
Effects of interactions and disorder in the two-dimensional chiral metal,
Physical Review B - Condensed Matter and Materials Physics, 62(16), pp.10931-10939, ISSN: 0163-1829. DOI:
10.1103/PhysRevB.62.10931.
Panagopoulos, C, Rainford, BD, Cooper, JR, Lo, W, Tallon, JL, Loram, JW,
Betouras, J, Wang, YS, Chu, CW (1999)
Effects of carrier concentration on the superfluid density of high-T-c cuprates,
PHYSICAL REVIEW B, 60(21), pp.14617-14620, ISSN: 1098-0121. DOI:
10.1103/PhysRevB.60.14617.
Betouras, JJ and Fujimoto, S (1999)
Transport properties of the one-dimensional ferromagnetic kondo lattice model: A qualitative approach to oxide manganites,
Physical Review B - Condensed Matter and Materials Physics, 59(1), pp.529-532, ISSN: 1098-0121. DOI:
10.1103/PhysRevB.59.529.
Betouras, JJ and Joynt, R (1999)
Analysis and experimental evidence of s + d ordering in high-Tc superconductors,
Physica C: Superconductivity and its Applications, 317-318, pp.669-671, ISSN: 0921-4534. DOI:
10.1016/S0921-4534(99)00170-7.
Haslinger, R, Joynt, R,
Betouras, J (1998)
c-axis tunneling in YBCO,
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 59(10-12), pp.2026-2029, ISSN: 0022-3697. DOI:
10.1016/S0022-3697(98)00170-X.
Betouras, J and Joynt, R (1998)
Nonlinear magnetization in superconductors with ordering,
Physical Review B - Condensed Matter and Materials Physics, 57(18), pp.11752-11759, ISSN: 1098-0121. DOI:
10.1103/PhysRevB.57.11752.
Betouras, JJ, Joynt, R, Dong, ZW, Venkatesan, T, Hadley, P (1996)
Ginzburg-Landau theory of Josephson field effect transistors,
Applied Physics Letters, 69(16), pp.2432-2434, ISSN: 0003-6951. DOI:
10.1063/1.117661.
Musaelian, KA,
Betouras, J, Chubukov, AV, Joynt, R (1996)
Mixed-symmetry superconductivity in two-dimensional Fermi liquids,
PHYSICAL REVIEW B, 53(6), pp.3598-3603, ISSN: 0163-1829. DOI:
10.1103/PhysRevB.53.3598.
BETOURAS, J and JOYNT, R (1995)
THEORETICAL-STUDY OF THE CRITICAL-CURRENT OF YBA2CU3O7-DELTA BICRYSTALS WITH HOLE-DEFICIENT GRAIN-BOUNDARIES,
PHYSICA C, 250(3-4), pp.256-264, ISSN: 0921-4534. DOI:
10.1016/0921-4534(95)00308-8.
BETOURAS, J and JOYNT, R (1995)
TEMPERATURE-DEPENDENT GAP ANISOTROPY IN BI2SR2CACU2O8+X AS EVIDENCE FOR A MIXED-SYMMETRY GROUND-STATE,
EUROPHYSICS LETTERS, 31(2), pp.119-123, ISSN: 0295-5075. DOI:
10.1209/0295-5075/31/2/010.
Sherkunov, Y and Betouras, JJ (Accepted for publication) First order Fermi surface topological (Lifshitz) transition in an
interacting two-dimensional Rashba Fermi liquid.
Chandrasekaran, A, Rhodes, LC, Morales, EA, Marques, CA, King, PDC, Wahl, P, Betouras, J (Accepted for publication) On the engineering of higher-order Van Hove singularities in two dimensions, Nature Communications, 15(1), 9521, DOI: 10.1038/s41467-024-53650-2.
