Anton Ramsak: Research

Anton Ramsak

Google Scholar

arXiv (open access preprints)

91) Qubit transformations on Rashba ring with periodic potential,
Ambroz Kregar and Anton Ramsak, New J. Phys. 22, 083048 (2020).

90) Thermal effects on a nonadiabatic spin-flip protocol of spin-orbit qubits,
Brecht Donvil, Lara Ulcakar, Tomaz Rejec, and Anton Ramsak, Phys. Rev. B 101, 205427 (2020).

89) Rashba controlled two-electron spin-charge qubits as building blocks of a quantum computer,
Ambroz Kregar and Anton Ramsak, Mod. Phys. Lett. B 34, 2040058 (2020).

88) On the resilience of magic number theory for conductance ratios of aromatic molecules,
Lara Ulcakar, Tomaz Rejec, Jure Kokalj, Sara Sangtarash, Hatef Sadeghi, Anton Ramsak,
John H. Jefferson, and Colin J. Lambert, Sci. Rep. 9, 3478 (2019). Supplementary Information.

87) Slow quenches in two-dimensional time-reversal symmetric Z2 topological insulators,
Lara Ulcakar, Jernej Mravlje, Anton Ramsak, and Tomaz Rejec, Phys. Rev. B 97, 195127 (2018).

86) Effects of noise on fidelity in spin-orbit qubit transformations,
L. Ulcakar and A. Ramsak, Int. J. Mod. Phys. B 32, 1840028 (2018).

85) Exact spin-orbit qubit manipulation,
Anton Ramsak, Tilen Cadez, Ambroz Kregar, and Lara Ulcakar, Eur. Phys. J. Special Topics 227, 353 (2018).

84) Exact analysis of gate noise effects on non-adiabatic transformations of spin-orbit qubits,
Lara Ulcakar and Anton Ramsak, New J. Phys. 19, 093015 (2017).

83) Linear Conductances of Gated Graphene Structures with Selected Connectivity,
Lara Ulcakar, Tomaz Rejec, and Anton Ramsak, Acta Chim. Slov. 63, 583 (2016); In memory of Janko Jamnik.

82) Reprint of: Regular and singular Fermi liquid in triple quantum dots: Coherent transport studies,
S.B. Tooski, A. Ramsak, and B.R. Bulka, Physica E 82, 366 (2016); In memory of Markus Buttiker.

81) Exact unitary transformation for Rashba rings in magnetic and electric fields,
A. Kregar and A. Ramsak, Int. J. Mod. Phys. B 30, 1642016 (2016).

80) Arbitrary qubit transformations on tuneable Rashba rings,
A. Kregar, J.H. Jefferson, and A. Ramsak, Phys. Rev. B 93, 075432 (2016).

79) Regular and singular Fermi liquid in triple quantum dots: Coherent transport studies,
S.B. Tooski, A. Ramsak, and B.R. Bulka, Physica E: Low-dimensional Systems and Nanostructures 75, 345 (2016).

78) Effect of assisted hopping on thermopower in an interacting quantum dot,
S.B. Tooski, A. Ramsak, B.R. Bulka, and R. Zitko, New J. Phys. 16, 055001 (2014).

77) Exact nonadiabatic holonomic transformations of spin-orbit qubits,
T. Cadez, J.H. Jefferson, and A. Ramsak, Phys. Rev. Lett. 112, 150402 (2014).

76) Spin thermopower in the overscreened Kondo model,
R. Zitko, J. Mravlje, A. Ramsak, and T. Rejec, New J. Phys. 15, 105023 (2013).

75) Entanglement switching via the Kondo effect in triple quantum dots,
S.B. Tooski, B.R. Bulka, R. Zitko, and A. Ramsak, Eur. Phys. J. B 87, 145 (2014);
Unleashing the power of quantum dot triplets, Springer Select 24 July 2014.

74) Thermal entanglement in a triple quantum dot system,
M. Urbaniak, S. Babae Tooski, A. Ramsak, and B.R. Bulka, Eur. Phys. J. B 86, 505 (2013).

73) A non-adiabatically driven electron in a quantum wire with spin-orbit interaction,
T. Cadez, J.H. Jefferson, and A. Ramsak, New J. Phys. 15, 013029 (2013); Video abstact.

72) Spin thermopower in interacting quantum dots,
T. Rejec, R. Zitko, J. Mravlje, and A. Ramsak, Phys. Rev. B 85, 085117 (2012).

71) Spin-spin correlations of entangled qubit pairs in the Bohm interpretation of quantum mechanics,
A. Ramsak, J. Phys. A: Math. Theor. 45, 115310 (2012).

70) Geometric analysis of entangled qubit pairs,
A. Ramsak, New J. Phys. 13, 103037 (2011).

69) Geometrical view of quantum entanglement,
A. Ramsak, Europhys. Lett. 96, 40004 (2011); Fig.4 detail.

68) Electron transport through molecules in the Kondo regime: the role of molecular vibrations,
J. Mravlje and A. Ramsak, Physical Properties of Nanosystems, NATO Science for Peace
and Security Series B (Springer, 2011, ISBN 978-94-007-0043-7); arXiv:0912.3536.

67) Entanglement of electron pairs extracted from a many-body system,
A. Ramsak, J. Mravlje, T. Rejec, and A. Lautar, Europhys. Lett. 86, 40003 (2009).

66) Quantum entanglement of space domains occupied by interacting electrons,

A. Ramsak, J. Mravlje, and T. Rejec, Phys. Status Solidi B 246, 1006 (2009); (hr).

65) Kondo effect in oscillating molecules,
J. Mravlje and A. Ramsak, Phys. Status Solidi B 246, 994 (2009); (hr).

64) Kondo effect and channel mixing in oscillating molecules,
J. Mravlje and A. Ramsak, Phys. Rev. B 78, 235416 (2008).

63) Adiabatic pipelining: A key to ternary computing with quantum dots,
P. Pecar, A. Ramsak, N. Zimic, M. Mraz, and I. Lebar Bajec, Nanotechnology 19, 495401 (2008).

62) Entanglement and transport anomalies in nanowires,
J.H. Jefferson, A. Ramsak, and T. Rejec, J. Phys.: Condens. Matter 20, 164206 (2008).

61) Entanglement of static and flying qubits in degenerate mezoscopic systems,
M. Habgood, J.H. Jefferson, A. Ramsak, D.G. Pettifor, and G.A.D. Briggs,
Phys. Rev. B 77, 075337 (2008).

60) Vibrational effects on low-temperature properties of molecular conductors,
J. Mravlje, A. Ramsak, and R. Zitko, Physica B 403, 1484 (2008).

59) SU(2) and SU(4) Kondo effect in double quantum dots,
J. Mravlje, A. Ramsak, and T. Rejec, AIP Conference Proc. 918, 312 (2006);
arXiv:0704.1979.

58) Thermal entanglement of qubit pairs on the Shastry-Sutherland lattice,
S. El Shawish, A. Ramsak, and J. Bonca, Phys. Rev. B 75, 205442 (2007).

57) Entanglement and the Kondo effect in serially coupled double quantum dots,
A. Ramsak and J. Mravlje, Eur. Phys. J. B 61, 419 (2008); cond-mat/0701363.

56) Conductance of a molecule with a center of mass motion,
J. Mravlje, A. Ramsak, and T. Rejec, Phys. Rev. B 74, 205320 (2006).

55) Spin qubits in double quantum dots - entanglement versus the Kondo effect,
A. Ramsak, J. Mravlje, R. Zitko, and J. Bonca, Phys. Rev. B 74, 241305(R) (2006).

54) Quantum entanglement generation with surface acoustic waves,
G. Giavaras, J.H. Jefferson, A. Ramsak, T.P. Spiller, and C. Lambert,
Phys. Rev. B 74, 195341 (2006).

53) Entanglement of two delocalized electrons,
A. Ramsak, I. Sega, and J.H. Jefferson, Phys. Rev. A 74, 010304(R) (2006).

52) Kondo effect in double quantum dots with inter-dot repulsion,
J. Mravlje, A. Ramsak, and T. Rejec, Phys. Rev. B 73, 241305(R) (2006).

51) Spin fluctuations in cuprates as the key to high Tc,
P. Prelovsek, I. Sega, A. Ramsak, and J. Bonca, (AIP conference proc.,
vol. 816); eds. G.G. Batrouni and D. Poilblanc, Melville: American Institute
of Physics, 100 (2006); (cond-mat colour version).

50) Kondo effect in triple quantum dots,
R. Zitko, J. Bonca, A. Ramsak, and T. Rejec, Phys. Rev. B 73, 153307 (2006).

49) Entanglement between static and flying qubits in a semiconducting carbon nanotube,
D. Gunlycke, J.H. Jefferson, T. Rejec, A. Ramsak, D.G. Pettifor, and G.A.D. Briggs,
J. Phys.: Condens. Matter 18, S851 (2006).

48) Entanglement between static and flying qubits in quantum wires,
J.H. Jefferson, A. Ramsak, and T. Rejec, Europhys. Lett. 74, 764 (2006).

47) Spin-fluctuation mechanism of superconductivity in cuprates,
A. Ramsak and P. Prelovsek, Proc. of SPIE 59320G-2 (2005), AM05 Optics & Photonics,
San Diego 2005 (invited); (cond-mat colour version).

46) Conductance of deformable molecules with interaction,
J. Mravlje, A. Ramsak, and T. Rejec, Phys. Rev. B 72, 121403(R) (2005).

45) Shot noise reduction in quantum wires with 0.7 structure,
A. Ramsak and J.H. Jefferson, Phys. Rev. B 71, 161311(R) (2005).

44) Spin-fluctuation mechanism of superconductivity in cuprates,
P. Prelovsek and A. Ramsak, Phys. Rev. B 72, 012510 (2005).

43) Conductance of nanosystems with interaction, A. Ramsak and T. Rejec,
in Molecular nanowires and other quantum objects, (NATO science series, II,
Mathematics, physics and chemistry, vol. 148); eds. A.S. Alexandrov,
J. Demsar and I.K. Yanson, Dordrecht; London: Kluwer Academic, 255 (2004).

42) Pseudogap and superconductivity in the t-J model,
A. Ramsak and P. Prelovsek, Physica C 408-410, 279 (2004).

41) Formulas for zero-temperature conductance through a region with interaction,
T. Rejec and A. Ramsak, Phys. Rev. B 68, 035342 (2003).

40) Conductance of interacting Aharonov-Bohm systems,
T. Rejec and A. Ramsak, Phys. Rev. B 68, 033306 (2003).

39) Spectral functions and pseudogap models in strongly correlated electrons,
P. Prelovsek and A. Ramsak, in Concepts in Electron Correlation (NATO
science series, II, Mathematics, physics, and chemistry, vol. 110), eds.
A.C. Hewson and V. Zlatic; Springer, 392 (2003).

38) Conductance anomalies and the extended Anderson model for nearly perfect wires,
T. Rejec, A. Ramsak, and J.H. Jefferson, Phys. Rev. B 67, 075311 (2003).

37) Spectral functions and pseudogap models in strongly correlated electrons,
P. Prelovsek and A. Ramsak, Acta Phys. Pol. B 34, 335 (2003).

36) Spin-dependent thermoelectric transport coefficients in near perfect quantum wire,
T. Rejec, A. Ramsak, and J.H. Jefferson, Phys. Rev. B 65, 235301 (2002).

35) Spectral functions, Fermi surface, and the pseudogap in the t-J model,
P. Prelovsek and A. Ramsak, Phys. Rev. B 65, 174529 (2002).

34) Pseudogap and the Fermi surface in the t-J model,
A. Ramsak and P. Prelovsek, J. phys. chem. solids. 63, 2353 (2002).

33) Spin-dependent anomalies in the conduction edge of semiconductor quantum wires,
J.H. Jefferson, A. Ramsak, and T. Rejec, Physics of low-dimensional structures 11, 73 (2001).

32) Spectral functions and the pseudogap in the t-J model,
P. Prelovsek and A. Ramsak, Phys. Rev. B 63, 180506(R) (2001).

31) Interacting electrons in a nearly straight quantum wire, T. Rejec, A. Ramsak,
and J.H. Jefferson, in Kondo effect and dephasing in low-dimensional metallic
systems, (NATO science series, II, Mathematics, physics and chemistry, vol. 50);
eds. V. Chandracekhar, C. Van Haesendock and A. Zawadowski, Dordrecht;
London: Kluwer Academic, 231 (2001).

30) Anomalies in the conduction edge of quantum wires, T. Rejec, A. Ramsak,
and J.H. Jefferson, in Open problems in strongly correlated electron systems,
(NATO science series, II, Mathematics, physics, and chemistry, vol. 15), eds.
J. Bonca, P. Prelovsek, A. Ramsak and S. Sarkar; Kluwer Academic, 433 (2001).

29) Spectral properties of underdoped cuprates, A. Ramsak, P. Prelovsek, and I. Sega,
in Open problems in strongly correlated electron systems, (NATO science series, II,
Mathematics, physics, and chemistry, vol. 15), eds. J. Bonca, P. Prelovsek, A. Ramsak
and S. Sarkar; Kluwer Academic, 33 (2001).

28) Spin-dependent resonances in the conduction edge of quantum wires,
T. Rejec, A. Ramsak, and J.H. Jefferson, Phys. Rev. B 62, 12985 (2000).

27) Electron momentum distribution of a single mobile hole in the t-Jmodel,
A. Ramsak and I. Sega, Phys., C Supercond. 341-348, 193 (2000).

26) Conductance anomalies in quantum wires, T. Rejec, A. Ramsak, and
J.H. Jefferson, J. phys., Condens. matter 12, Letter233 (2000).

25) Electron momentum distribution in underdoped cuprates,
A. Ramsak, I. Sega, and P. Prelovsek, Phys. Rev. B 61, 4389 (2000).

24) c-axis optical conductivity in cuprates, A. Ramsak, P. Prelovsek,
and I. Sega, Phys. B Condens. matter 284-288, 1386 (2000).

23) Electron momentum distribution function in the t-t'-J model, A. Ramsak,
I. Sega, and P. Prelovsek, Phys. B Condens. matter 284-288, 1400 (2000).

22) Pseudo gap in the density of states in cuprates,
A. Ramsak and P. Prelovsek, Phys., C Supercond. 341-348, 893 (2000).

21) c-axis conductivity in the normal state of cuprate superconductors,
P. Prelovsek, A. Ramsak, and I. Sega, Phys. Rev. Lett. 81, 3745 (1998).

20) Effect of deconfinement on resonant transport in quantum wires,
A. Ramsak, T. Rejec, and J.H. Jefferson, Phys. Rev. B 58, 4014 (1998).

19) Spatial structure of spin polarons in the t-J model,
A. Ramsak and P. Horsch, Phys. Rev. B 57, 4308 (1998).

18) Wave function and size of spin-polarons in the t-J model,
A. Ramsak and P. Horsch, Physica C 282-287, 1805 (1997).

17) Spin Backflow in the Vicinity of Spin Polarons in the t-J Model,
A. Ramsak, P. Horsch, and J. Jaklic, Physica C 235-240, 2247 (1994).

16) Spin-Polaron Wave function for a Single Hole in an Antiferromagnet,
P. Horsch and A. Ramsak, J. of Low Temp. Phys. 95, 343 (1994).

15) Quasiparticle spectra in a t-J model with electron-phonon interactions,
P. Horsch, A. Ramsak, and P. Fulde, Physica B 194-196, 1567 (1994).

14) Spin polarons in the t-J model: Shape and Backflow,
A. Ramsak and P. Horsch, Phys. Rev. B 48, 10559 (1993).

13) Effective mass decrease due to electron-phonon interaction in heavy fermion systems,
P. Fulde, P. Horsch, and A. Ramsak, Z. Phys. B - Condensed Matter 90, 125 (1993).

12) Effective mass of quasiparticles in a t-J model with electron-phonon interactions,
A. Ramsak, P. Horsch, and P. Fulde, Phys. Rev. B 46, 14305(R) (1992).

10) Singular Dynamics of a Fermion Coupled to the Planar Antiferromagnet,
A. Ramsak and P. Prelovsek, Proc. of the International Conference on Physics in
Two Dimensions, Neuchatel 1991, Helv. Phys. Acta 65, 446 (1992).

9) Quasiparticle properties in models for strongly correlated systems,
P. Prelovsek, J. Bonca, A. Ramsak, I. Sega, Proc. of 8th General Conference
of EPS, Amsterdam 1990, Ed. J. Kaczer, Prometheus (1991), p. 937.

8) Exact diagonalization studies of quasiparticles in doped quantum antiferromagnets,
P. Prelovsek, J. Bonca, A. Ramsak, I. Sega, NATO Workshop on Dynamics of
Magnetic Fluctuations in High T_c Superconductors, Aeghia Pelagia 1989,
Eds. G. Reiter, P. Horsch, G.C. Psaltakis, Plenum (1991), New York, p. 295.

7) Ferromagnetic polarons in a one-dimensional t-J model with next-nearest-neighbor hopping,
P. Prelovsek, A. Ramsak, and I. Sega, Phys. Rev. B 44, 11795 (1991).

6) Ferromagnetic polarons in one dimensional t-t'-J model, I. Sega,
A. Ramsak, and P. Prelovsek, Physica C 185-189, 1501 (1991).

5) Dynamics of a fermion in the Kondo - lattice model for strongly correlated systems,
A. Ramsak and P. Prelovsek, Phys. Rev. B 42, 10415 (1990).

4) Quasiparticle properties in models for strongly correlated systems,
P. Prelovsek, J. Bonca, A. Ramsak, I. Sega, Int. Conf. on High Temperature
Superconductivity, Dubna 1989, Eds., V.L. Aksenov, N.N. Bogolubov,
N.M. Plakida, Word Scientific (1990), Singapore, p. 477.

3) Comparison of effective models for CuO_2 layers, A. Ramsak and P. Prelovsek,
Proc. of NATO Adv. Study Inst. on Applications of Statistical and Field Theory
Methods to Condensed Matter, Evora 1989, Eds. D. Baeriswyl, A.R. Bishop
and J. Carmelo, Plenum (1990), New York, p. 323.

2) Comparison of effective models for CuO_2 layers in oxide superconductors,
A. Ramsak and P. Prelovsek, Phys. Rev. B 40, 2239 (1989).

1) Information on photonuclear transition matrix elements from measuring the
emitted nucleon polarization in the reaction plane, M. Potokar and A. Ramsak,
Phys. Rev. C 34, 2338 (1986).