Theory of a spherical-quantum-rotors model: Low-temperature regime and finite-size scaling H Chamati, ES Pisanova, NS Tonchev
Physical Review B 57 (10), 5798, 1998
39 1998 Classification of different types of beer according to their colour characteristics KT Nikolova, R Gabrova, D Boyadzhiev, ES Pisanova, J Ruseva, ...
Journal of Physics: Conference Series 794 (1), 012035, 2017
11 2017 On the interplay of classical and quantum fluctuations: an exactly solvable model for a structural phase transition ES Pisanova, NS Tonchev
Physica A: Statistical Mechanics and its Applications 197 (1-2), 301-318, 1993
8 1993 Chemical characterization of selected algae and cyanobacteria from Bulgaria as sources of compounds with antioxidant activity G Gentscheva, I Milkova-Tomova, I Pehlivanov, V Gugleva, K Nikolova, ...
Applied Sciences 12 (19), 9935, 2022
7 2022 On the critical behavior of the inverse susceptibility of a model of structural phase transitions ES Pisanova, SI Ivanov
Bulg. J. Phys 40 (2), 159, 2013
7 2013 Low-temperature regimes and finite-size scaling in a quantum spherical model H Chamati, DM Danchev, ES Pisanova, NS Tonchev
arXiv preprint cond-mat/9707280, 1997
7 1997 Universal amplitudes in finite-size scaling for an anharmonic crystal ES Pisanova, NS Tonchev
Physica A: Statistical Mechanics and its Applications 217 (3-4), 419-428, 1995
7 1995 Some Applications of the Lambert W‐function to Critical Phenomena: a View on the Critical Behavior in the Upper Critical Dimension ES Pisanova, NS Tonchev, HT Kisov
AIP Conference Proceedings 1203 (1), 255-260, 2010
6 2010 Some applications of the Lambert W-function to theoretical physics education SG Kazakova, ES Pisanova, A Angelopoulos
AIP Conference Proceedings 1203 (1), 1354, 2010
6 2010 On the quantum critical behaviour of a model of structural phase transitions with long-range interaction ES Pisanova, NS Tonchev
Journal of Physics: Conference Series 253 (1), 012020, 2010
5 2010 Analyses of behaviour of PP corona electrets stored at low pressure AP Viraneva, TA Yovcheva, ES Pisanova, EA Gencheva, GA Mekishev
AIP Conference Proceedings 1203 (1), 382-387, 2010
5 2010 Non-universal critical properties of the ferromagnetic mean spherical model with long-range interaction ES Pisanova, SI Ivanov
BULGARIAN CHEMICAL COMMUNICATIONS 47, 269-274, 2015
3 2015 On the critical specific heat capacity of a classical anharmonic crystal with long-range interaction E Pisanova, S Ivanov
Journal of Physics: Conference Series 558 (1), 012019, 2014
3 2014 Finite size and temperature effects in the model on a strip ES Pisanova, NB Ivanov, NS Tonchev
Physical Review B 65 (21), 212404, 2002
3 2002 On the low-temperature behavior of the critical specific heat capacity of an anharmonic crystal with long-range interaction ES Pisanova, AY Krushkov
AIP Conference Proceedings 1722 (1), 2016
2 2016 RECOGNIZED BY THE EUROPEAN PHYSICAL SOCIETY APPROVED BY THE EUROPEAN COMMISSION ES Pisanova, SI Ivanov
Bulg. J. Phys 40 (2), 159-164, 2013
2 2013 Perturbation theory for relativistic three-dimensional two-particle quasipotential equations AA Atanasov, ES Pisanova
Teoreticheskaya i Matematicheskaya Fizika 89 (2), 222-227, 1991
2 1991 Entropy and specific heat of a critical quantum system with long-range interaction ES Pisanova
Journal of Physics: Conference Series 1186 (1), 012015, 2019
1 2019 Universal critical amplitudes in a quantum spherical model: Entropy, internal energy and specific heat ES Pisanova, IK Ivanov
AIP Conference Proceedings 2075 (1), 2019
1 2019 Use of Cluster and Factor Analysis for Grouping Bulgarians Honeys according to Botanical Origin K Nikolova, E Pisanova, I Ir
Journal of Communication and Computer 14, 53-59, 2017
1 2017