condensed matter theory; strongly correlated electron systems; unconventional superconductivity; non-centrosymmetric superconductors; artificially structured correlated electron system; magnetism; metamagnetism
Goryo Jun, Fischer Mark H., Sigrist Manfred (2012), Possible pairing symmetries in SrPtAs with a local lack of inversion center, in Physcial Review B
, 86, 100507-100507.
Nakamura T, Sumi T, Yonezawa S, Terashima T, Sigrist M, Kaneyasu H, Maeno Y (2012), Essential Configuration of Pb/Ru/Sr2RuO4 Junctions Exhibiting Anomalous Superconducting Interference, in JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
, 81(6), 064708-064708.
Youn SJ, Fischer MH, Rhim SH, Sigrist M, Agterberg DF (2012), Role of strong spin-orbit coupling in the superconductivity of the hexagonal pnictide SrPtAs, in PHYSICAL REVIEW B
, 85(22), 220505-220505.
Ueda S, Kawakami N, Sigrist M (2012), Electronic and magnetic properties in strongly correlated heterostructures, in PHYSICAL REVIEW B
, 85(23), 235112-235112.
Imai Y, Wakabayashi K, Sigrist M (2012), Properties of edge states in a spin-triplet two-band superconductor, in PHYSICAL REVIEW B
, 85(17), 174532-174532.
Maruyama D, Sigrist M, Yanase Y (2012), Locally Non-centrosymmetric Superconductivity in Multilayer Systems, in JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
, 81(3), 034702- 034702.
Neupert T, Sigrist M (2011), Coexistence of Ferromagnetism and Superconductivity in Noncentrosymmetric Materials with Cubic Symmetry, in JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
, 80(11), 114712-114712.
Fischer MH, Loder F, Sigrist M (2011), Superconductivity and local noncentrosymmetricity in crystal lattices, in PHYSICAL REVIEW B
, 84(18), 184533-184533.
Yanase Y, Sigrist M (2011), Ginzburg-Landau Analysis for the Antiferromagnetic Order in the Fulde-Ferrell-Larkin-Ovchinnikov Superconductor, in JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
, 80(9), 094702-094702.
Muller D, Pilgram S, Rice TM, Sigrist M (2011), Extending the Gutzwiller approximation for liquid He-3 by including intersite correlations, in ANNALEN DER PHYSIK
, 523(8-9), 732-740.
Yang KY, Yamashita Y, Lauchli AM, Sigrist M, Rice TM (2011), Microscopic model for the semiconductor-to-ferromagnetic-metal transition in FeSi1-xGex Alloys, in EPL
, 95(4), 47007-47007.
Nakamura T, Nakagawa R, Yamagishi T, Terashima T, Yonezawa S, Sigrist M, Maeno Y (2011), Topological competition of superconductivity in Pb/Ru/Sr2RuO4 junctions, in PHYSICAL REVIEW B
, 84(6), 060512(R)-060512(R).
Yanase Y, Sigrist M (2011), Magnetic structure of the antiferromagnetic Fulde-Ferrell-Larkin-Ovchinnikov state, in JOURNAL OF PHYSICS-CONDENSED MATTER
, 23(9), 094219-094219.
Miclea CF, Mota AC, Nicklas M, Cardoso R, Steglich F, Sigrist M, Prokofiev A, Bauer E (2010), Extreme vortex pinning in the noncentrosymmetric superconductor CePt3 Si, in Physical Review B - Condensed Matter and Materials Physics
, 81(1), 014527-014527.
Adachi H, Sigrist M (2010), Novel mixed-state thermal transport properties in ultra-clean URu 2Si2, in Physica C: Superconductivity and its Applications
, 470(SUPPL.1), S579-S580.
Fischer MH, Sigrist M (2010), Slave-boson mean-field study of the dimensional crossover in Sr 2RuO4, in Journal of Physics: Conference Series
, 200(SECTION 1), 012034-012034.
Yokoyama T, Iniotakis C, Tanaka Y, Sigrist M (2010), Vortex shadow on surface of chiral p-wave superconductors, in Physica C: Superconductivity and its Applications
, 470(SUPPL.1), S888-S889.
Kaneyasu H, Hayashi N, Gut B, Makoshi K, Sigrist M (2010), Phase Transition in the 3-Kelvin Phase of Eutectic Sr2RuO4-Ru, in JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
, 79(10), 104705-104705.
Hassler F, Ruegg A, Sigrist M, Blatter G (2010), Dynamical Unbinding Transition in a Periodically Driven Mott Insulator, in PHYSICAL REVIEW LETTERS
, 104(22), 220402-220402.
Kaneyasu H, Sigrist M (2010), Nucleation of Vortex State in Ru-Inclusion in Eutectic Ruthenium Oxide Sr2RuO4-Ru, in JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
, 79(5), 053706-053706.
Brydon PMR, Iniotakis C, Manske D, Sigrist M (2010), Functional Superconductor Interfaces from Broken Time-Reversal Symmetry, in PHYSICAL REVIEW LETTERS
, 104(19), 197001-197001.
Ruegg A, Huber SD, Sigrist M (2010), Z(2)-slave-spin theory for strongly correlated fermions, in PHYSICAL REVIEW B
, 81(15), 155118-155118.
Bouhon A, Sigrist M (2010), Influence of the domain walls on the Josephson effect in Sr2RuO4, in NEW JOURNAL OF PHYSICS
, 12, 043031-043031.
Fischer MH, Sigrist M (2010), Effect of a staggered spin-orbit coupling on the occurrence of a nematic phase in Sr3Ru2O7, in PHYSICAL REVIEW B
, 81(6), 064435-064435.
Yanase Y, Sigrist M (2009), Antiferromagnetic Order and pi-Triplet Pairing in the Fulde-Ferrell-Larkin-Ovchinnikov State, in JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
, 78(11), 114715-114715.
Yang KY, Chen WQ, Rice TM, Zhang FC (2009), Origin of the checkerboard pattern in scanning tunneling microscopy maps of underdoped cuprate superconductors, in PHYSICAL REVIEW B
, 80(17), 174505-174505.
Adachi Hiroto, Sigrist Manfred (2009), Probing the dx2-y2-wave Pomeranchuk instability by ultrasound, in PHYSICAL REVIEW B
, 80(15), 155123-155123.
Yang KY, Yang HB, Johnson PD, Rice TM, Zhang FC (2009), Quasiparticles in the pseudogap phase of underdoped cuprate, in EPL
, 86(3), 37002-37002.
This project covers several topics in the field of strongly correlated electron systems, with its main focus on unconventional superconductivity, quantum phase transitions and the electronic properties of artificially structured transition metal oxides. The research on unconventional superconductivity addresses several long-standing conceptional questions as well as the interpretation of very recent experimental findings. The focus will be on the chiral p-wave phase for Sr2RuO4 and on the mixed-partiy phase in non-centrosymmetric superconductors. Concerning quantum phase transitions we will mainly be interested in the properties of the puzzling low-temperature phase associated with the metamagnetic transition (a special form of quantum phase transition) in ultra-clean samples of Sr3Ru2O7. The recent developments in fabricating atomically precise superstructures of transition metal oxides motivates us to study theoretically the correlation effects on the electronic reconstruction in the vicinity of interfaces between different materials.