Tudóstér: Gulácsi Zsolt publikációi

Kucska, N., Gulácsi, Z.: Spin-orbit interactions may relax the rigid conditions leading to flat bands.
Phys. Rev. B. 105 (8), 1-16, 2022.

Kucska, N., Gulácsi, Z.: Flat-band conditions influenced by spin-orbit interaction in the presence of external magnetic field.
Multidiszciplináris tudományok. 11 (5), 171-179, 2021.

Kucska, N., Gulácsi, Z.: Nanograin ferromagnets from nonmagnetic bulk materials: The case of gold nanoclusters.
Int. J. Mod. Phys. B. 35 (10), 1-19, 2021.

Kucska, N., Gulácsi, Z.: Effects of spin-orbit interaction on surfaces and interfaces.
Mater. sci. Engineering Miskolc. 44 (2), 43-53, 2019.

Kucska, N., Gulácsi, Z.: Itinerant surfaces with spin-orbit couplings, correlations and external magnetic fields: exact results.
Philos. Mag. Lett. 99 (3), 118-125, 2019.

Kucska, N., Gulácsi, Z.: Exact results relating spin?orbit interactions in two-dimensional strongly correlated systems.
Philos. Mag. 98 (18), 1708-1730, 2018.

Gulácsi, M., El, -., Gulácsi, Z.: Electron-phonon interactions in conducting polymers.
Philos. Mag. Lett. 96 (2), 67-75, 2016.

Gulácsi, M., Gulácsi, Z.: Emergence of ferromagnetism in conducting polymers in the presence of lattice vibrations.
Mod. Phys. Lett. B. 30 (27), 1650335-1650345, 2016.

Gulácsi, Z.: Deducing exact ground states for many-bodyy non-integrable systems.
Int J. Math. Model. Meth. Appl. Sci. 9 691-699, 2015.

Kovács, G., Gulácsi, Z.: Pentagon chain in external fields.
Philos. Mag. 95 (32), 3674-3695, 2015.

Kovács, G., Glukhov, K., Gulácsi, Z.: Quadrilateral quantum chain Hamiltonian cast in positive semidefinite form containing non-linear fermionic contributions.
WSEAS Transactions on Applied and Theoretical Mechanics. 10 187-193, 2015.

Gulácsi, M., Kovács, G., Gulácsi, Z.: An extension to flat band ferromagnetism.
Mod. Phys. Lett. B. 28 (28), 1450220-, 2014.

Gulácsi, M., Kovács, G., Gulácsi, Z.: Exact ferromagnetic ground state of pentagon chains.
Philos. Mag. Lett. 94 (5), 269-277, 2014.

Trencsényi, R., Glukhov, K., Gulácsi, Z.: Exact ground state for the four-electron problem in a 2D finite honeycomb lattice.
Philos. Mag. 94 (19), 2195-2223, 2014.

Gulácsi, M., Kovács, G., Gulácsi, Z.: Flat band ferromagnetism without connectivity conditions in the flat band.
Europhys. lett. 107 (5), 57005-, 2014.

Gulácsi, Z.: Interaction-created effective flat bands in conducting polymers.
Eur. Phys. J. B. 87 (6), 143-152, 2014.

Kovács, G., Gulácsi, Z.: On the exact ground states of quadrilateral chains.
In: International Conference Smart functional materials for shaping our future, 19-20 September 2014 Debrecen, Hungary. Programme and book of abstracts. Ed.: Attila Csík, University of Debrecen, Debrecen, 130-131, 2014. ISBN: 9789634737247

Kovács, E., Gulácsi, Z.: Electron Pairs in the Ground States of Chain Structures.
J. Supercond. Nov. Magn. 26 (5), 1781-1785, 2013.

Gulácsi, Z.: Exact ground states of correlated electrons on pentagon chains.
Int. J. Mod. Phys. B. 27 (14), 1330009-1 - 1330009-64, 2013.

Gulácsi, Z.: Exact results for non-integrable systems.
J. Phys.: Conf. Ser. 410 (1), 012011-, 2013.

Gulácsi, Z., Gulácsi, M.: Exact results for non-integrable systems: application on pentagon chains in the below half filling concentration region.
AJMP. 4 (1-2), 44-76, 2013.

Kovács, E., Trencsényi, R., Gulácsi, Z.: Magnetic nano-grains from a non-magnetic material: a possible explanation.
IOP Conf. Ser. Mater. Sci. Eng. 47 (1), 2013.

Trencsényi, R., Kovács, E., Gulácsi, Z.: Comparison of exact ground states of different Hubbard hexagon chains.
In: 26th microCAD International Scientific Conference [elektronikus dokumentum], [ME], [Miskolc], 1-6, 2012. ISBN: 9789636617738

Kovács, E., Gulácsi, Z.: Exact ground states for quasi 1D systems with Hubbard interaction.
J. Nano Electron Phys. 4 01004, 2012.

Trencsényi, R., Gulácsi, Z.: The emergence domain of an exact ground state in a non-integrable system: the case of the polyphenylene type of chains.
Philos. Mag. 92 (36), 4657-4675, 2012.

Trencsényi, R., Gulácsi, Z.: Correlation effects in armchair chains.
In: XXV. MicroCAD International Scientific Conference. Ed.: Bikfalvi Péter ISBN: 9789636619718

Trencsényi, R., Gulácsi, K., Kovács, E., Gulácsi, Z.: Exact ground states for polyphenylene type of hexagon chains.
Ann. Phys.-Berlin. 523 (8-9), 741 - 750, 2011.

Kovács, E., Gulácsi, Z.: Exact ground states for quasi 1D systems with Hubbard interaction.
Nanomaterials 2 (1), 171-175, 2011.

Trencsényi, R., Gulácsi, Z.: Confinement effects in interacting chain structures.
Acta Phys. Debr. 44 177-182, 2010.

Trencsényi, R., Gulácsi, Z.: Ferromagnetism without flat bands in thin armchair nanoribbons.
Eur. Phys. J. B. 75 (4), 511-525, 2010.

Gulácsi, Z., Kampf, A., Vollhardt, D.: Route to ferromagnetism in organic polymers.
Phys. Rev. Lett. 105 (26), 266403-1 - 266403-4, 2010.

Trencsényi, R., Kovács, E., Gulácsi, Z.: Correlation and confinement induced ferromagnetism in chain structures.
Phil. Mag. 89 (22-24), 1953-1974, 2009.

Trencsényi, R., Kovács, E., Gulácsi, Z.: Exact ground states in hexagon chains.
In: XXIII. microCAD International Scientific Conference 19-20 March 2009. Szerk.: Lehoczky László, Miskolci Egyetem Innovációs és Technológia Transzfer Centruma, Miskolc, 57-62, 2009. ISBN: 9789636618834

Gulácsi, Z.: Delocalization effect of the Hubbard repulsion in exact terms and two dimensions.
Phys. Rev. B. 77 (24), ), 2008.

Gulácsi, Z., Kampf, A., Vollhardt, D.: Exact many-electron ground states on diamond and triangle Hubbard chains.
Prog. Theor. Phys. Suppl. 176 1 - 21, 2008.

Gulácsi, Z., Kampf, A., Vollhardt, D.: Exact many-electron ground states on the diamond Hubbard chain.
Phys. Rev. Lett. 99 (2), 2007.

Chalupa, I., Gulácsi, Z.: Quadratic operators used in deducing exact ground states for correlated systems: ferromagnetism at half-filling provided by a dispersive band.
J. Phys. Condens. Matter. 19 (38), 1-7, 2007.

Kovács, E., Gulácsi, Z.: Exact ground states for the four-electron problem in a Hubbard ladder.
Philos. Mag. 86 (13-14), 1997-2009, 2006.

Kovács, E., Gulácsi, Z.: Exact ground states for the four-electron problem in a two-dimensional finite Hubbard square system.
Philos. Mag. 86 (13-14), 2073-2099, 2006.

Gulácsi, Z., Gulácsi, M.: Exact stripe, checkerboard and droplet ground states in two dimensions.
Phys. Rev. B. 73 (1), 014524-1 - 014524-6, 2006.

Gulácsi, Z.: Third International Summer School on Strongly Correlated Systems held in Debrecen, 6-11 September 2004.
Philos. Mag. 86 (13-14), 1789-1791, 2006.

Gulácsi, Z., Vollhardt, D.: Exact ground states of the periodic Anderson model in D=3 dimensions.
Phys. Rev. B. 72 (7), 1-20, 2005.

Kovács, E., Gulácsi, Z.: Four electrons in a two-leg Hubbard ladder: exact ground states.
J. Phys. A: Math. Gen. 38 (48), 10273-10286, 2005.

Gulácsi, Z.: Exact ground state for the generic periodic Anderson model around half-filling.
Philos. Mag. Lett. 84 (6), 405-410, 2004.

Gulácsi, Z.: Exact multielectronic electron-concentration-dependent ground states for disordered two-dimensional two-band systems in the presence of disordered hoppings and finite on-site random interactions.
Phys. Rev. B. 69 (5), 1-10, 2004.

Gulácsi, Z.: Exact ground-states for the periodic Anderson model in restricted regions of the parameter space.
Acta Phys. Pol. B. 34 (2), 749-752, 2003.

Gulácsi, Z.: Exact ground-state for the periodic Anderson model in D=2 dimensions at finite value of the interaction and absence of the direct hopping in the correlated f-band.
Eur. Phys. J. B. 30 (3), 295-301, 2002.

Gurin, P., Gulácsi, Z.: Magnetic properties of the infinitely repulsive Hubbard model near half filling.
Czech. J. Phys. 52 (2), 119-122, 2002.

Gulácsi, Z.: Plaquette operators used in the rigorous study of ground states of the periodic Anderson model in D = 2 dimensions.
Phys. Rev. B. Condens Matter. 66 (16), 165109-1 - 165109-13, 2002.

Opposits, G., Gulácsi, Z.: Exact solution for a chain-like cluster growth model for a finite particle size.
Phil. Mag. Part B. 81 (1), 21-34, 2001.

Gulácsi, Z.: Operatorial transformations based on projected positive semidefinite operators used in the study of model Hamiltonians describing strongly correlated systems.
Bull. Am. Phys. Soc. 44 (1), 753, 1999.

Gulácsi, Z.: A fázisátalakulások elmélete I..
Kossuth Egyetemi K., Debrecen, 340 p., 1998.

Gulácsi, Z.: Complete decomposition of the Hubbard model in projected positive semidefinite operators.
Bull. Am. Phys. Soc. 43 200, 1998.

Daruka, I., Gulácsi, Z.: Correlation transitions in the Ising chain with competing short-range and long-range mirror interactions.
Phys. Rev. E. 58 (5), 5403-5409, 1998.

Gurin, P., Gulácsi, Z.: Exact results related to the extended Hubbard model with increased interactionrange in D>1 dimensions.
Philos. mag., B, Phys. condens. matter, Stat. mech. electron. opt. magn. prop. 78 (3), 315-327, 1998.

Orlik, I., Gulácsi, Z.: Exact results related to the periodic Anderson model in D>1 dimensions.
Philos. Mag. Lett. 78 (2), 177-184, 1998.

Gulácsi, Z., Gulácsi, M.: Theory of phase transitions in two-dimensional systems.
Adv. phys. 47 (1), 1-89, 1998.

Orlik, I., Gulácsi, Z.: Exact results related to the periodic Anderson model in the strong coupling U = limit.
Philos. mag., B. 76 (5), 845-848, 1997.

Gurin, P., Gulácsi, Z.: Hubbard model with next-nearest-neighbour interaction terms in higher dimensions: New exatly solvable cases.
Philos. mag., B. 76 (5), 827-831, 1997.

Gulácsi, Z.: International summer school on strongly correlated electron-systems held in Debrecen, 1-7 September 1996: Foreword.
Philos. mag., B, Phys. condens. matter, Stat. mech. electron. opt. magn. prop. 76 (5), 695-696, 1997.

Szabó, Z., Gulácsi, Z.: Possible D-like symmetry pairing states in the extended Hubbart-model.
Philos. mag., B, Phys. condens. matter, Stat. mech. electron. opt. magn. prop. 76 (5), 833-837, 1997.

Gulácsi, M., Gulácsi, Z.: Solution of a Chain-Like Ising Spin Cluster Model.
Int. j. mod. phys., B. 11 (1-2), 115-119, 1997.

Gulácsi, Z.: Study of strongly correlated systems.
Philos. mag., B. 76 [!]3-858, 1997.

Szabó, Z., Gulácsi, Z.: Superconducting phases in the extended Hubbard model.
Philos. mag., B. 76 833-839, 1997.

Szabó, Z., Gulácsi, Z.: Superconductivity in the extended Hubbard-model with more than nearest-neighbor contributions.
Philos. mag., B, Phys. condens. matter, Stat. mech. electron. opt. magn. prop. 76 (6), 911-928, 1997.

Gulácsi, Z., Hunyadi, M., Daruka, I.: Correlation effects in Ising model with mirror-image type interactions.
Bull. Am. Phys. Soc. 41 279, 1996.

Hunyadi, M., Gulácsi, Z.: Exact partition and pair-correlation functions for an Ising model with mirror-image type interactions.
Phys. rev., B, Condens. matter. 53 (5), 2326-2333, 1996.

Gurin, P., Gulácsi, Z.: Exact phase diagram for extended Hubbard model in D > 1 dimensions with next-nearest-neighbor interaction terms.
Czech. j. phys. 46 (S5), 2643-2644, 1996.

Gulácsi, Z., Hunyadi, M., Daruka, I.: Hidden ordering effects in D=1 dimensional Ising model with mirror-image type interactions.
Czech. j. phys. 46 (S4), 1911-1912, 1996.

Szabó, Z., Gulácsi, Z.: Superconducting phases of the extended Hubbard model for doped systems.
Czech. j. phys. 46 (S2), 609-610, 1996.

Gulácsi, Z., Gulácsi, M.: Chainlike Cluster Growth Model.
Bull. Am. Phys. Soc. 40 (1), 800, 1995.

Gulácsi, M., Bishop, A., Gulácsi, Z.: Tc enhancement of a two-band superconductor in an itinerant antiferromagnetic medium.
Physica, C, Supercond. 244 (1-2), 87-100, 1995.

Gulácsi, M., Gulácsi, Z.: BCS superconductivity in a mixed valence compound.
Solid state commun. 90 (1), 51-55, 1994.

Gulácsi, Z., Gulácsi, M.: Diagrammatic expansion of a ♯4 theory and lattice models with local interactions up to eighth order.
Philos. mag., B, Phys. condens. matter. 69 (3), 437-460, 1994.

Gulácsi, Z., Gulácsi, M.: Exact solution for a chainlike cluster growth model.
Phys. rev. lett. 73 (24), 3239-3242, 1994.