18 citations · 103 across the 34 of their papers we have counts for
34 papers
On the Theory of Absorption of Sound Waves via the Bulk Viscosity in the Partially Ionized Solar Chromosphere
Albert M. Varonov, Todor M. Mishonov
Bulk viscosity and thermodynamic variables of a hydrogen-helium cocktail: internal energy, enthalpy, pressure, their derivatives, heat capacities per constant density and pressure…
On the Theory of Bulk Viscosity of Cold Plasmas and Thermodynamics of Alkali-Noble Gas Cocktails
Albert M. Varonov, Todor M. Mishonov
By solving the kinetic equation for ionization-recombination processes in cold plasmas for temperatures much lower than the first ionization potentials, we derive an explicit expre…
Metal-insulator transition in a CuO chain created by Kondo interaction
Todor M. Mishonov, Albert M. Varonov, Kaloian D. Lozanov
Over twenty years ago Alexei Abrikosov [A.A. Abrikosov, Metal-insulator transition in layered cuprates (SDW model), Physica C: Supercond. Vol. 391, 2, 147-159 (2003)] considered th…
On the theory of supermodulation of the superconducting order parameter created by structural supermodulation of apex distance in optimally doped BiSrCaCuO
Albert M. Varonov, Todor M. Mishonov
Recently using Scanning Josephson Tunneling Microscopy (SJTM) in the group of Séamus Davis a super-modulation of the superconducting order parameter induced by super-modulation of…
Influence of Ionization on the Polytropic Index of the Solar Atmosphere within Local Thermodynamic Equilibrium Approximation
Albert M. Varonov, Todor M. Mishonov
An initial theoretical attempt to explain the observed decrease of the polytropic/adiabatic index in the solar corona has been accomplished. The chemical reactions of the ioniz…
Kondo - exchange in the CuO plane as the long sought interaction determining in cuprates
Todor M. Mishonov, Nedeltcho I. Zahariev, Hassan Chamati +1
The well-known Pavarini et al. [Phys. Rev. Lett. 87, 047003 (2001)] correlation between the critical temperature and the shape of the Fermi contour of the op…
Possible zero sound in layered perovskites with ferromagnetic - exchange interaction
Todor M. Mishonov, Nedelcho I. Zahariev, Hassan Chamati +1
We analyze the conditions for observation of zero sound in layered perovskites with transition metal ion on chalcogenide oxidizer. We conclude that propagation of zero sound is pos…
Hot spots along the Fermi contour of high- cuprates analyzed by - exchange interaction
Todor M. Mishonov, Nedelcho I. Zahariev, Hassan Chamati +1
We perform a thorough theoretical study of the electron properties of a generic CuO plane in the framework of Shubin-Kondo-Zener - exchange interaction that simultaneousl…
Set-up for observation thermal voltage noise and determination of absolute temperature and Boltzmann constant
Todor M Mishonov, Nikola S Serafimov, Emil G Petkov +1
We describe a set-up for measurement of the absolute zero by Johnson-Nyquist thermal noise which can be performed within a week in every high-school or university. Necessary electr…
The Influence of - Exchange Interaction on the Gap Anisotropy and Anisotropy of the Lifetime of Normal State Charge Carriers of Layered Cuprates
Todor M. Mishonov, Nedeltcho I. Zahariev, Albert M. Varonov
The anisotropy of the electron scattering rate and lifetime observed by Angle Resolved Photoemission Spectroscopy (ARPES) is evaluated using - K…
Tunable High-Q Resonator by General Impedance Converter
T. Mifune, T. M. Mishonov, N. S. Serafimov +6
For the need of measurements focused in condensed matter physics and especially Bernoulli effect in superconductors we have developed an active resonator with dual operational ampl…
Determination of magnon mass of neodymium magnet by temperature dependence of spontaneous magnetization
T. M. Mishonov, M. Andreoni, A. M. Varonov
The effective mass of a magnon in a neodymium magnet is evaluated using Bloch temperature dependence of spontaneous magnetization. We used the Hall effect magnetometer and thermo-c…
Scientific instrument for creation of effective Cooper pair mass spectroscopy
Todor M. Mishonov, Albert M. Varonov
We describe electronic instruments for creation of effective Cooper pair spectroscopy. The suggested spectroscopy requires study of electric field effects on the surface of cleaved…
Comment on "Adiabatic Expansion of Electron Gas in a Magnetic Nozzle" by Kazunori Takahashi, Christine Charles, Rod Roswell, and Akira Ando, Phys. Rev. Lett. Vol. 120, 045001 (2018)
T. M. Mishonov, I. M. Dimitrova, A. M. Varonov
Heat capacities at fixed volume and pressure as a function of the degree of ionization are graphically depicted as functions of reciprocal temperature and ionization degree. The po…
On the Influence of the Ionization-Recombination Processes on Hydrogen Plasma Polytropic Index
Todor M. Mishonov, Iglika M. Dimitrova, Albert M. Varonov
The polytropic (adiabatic) index for pure hydrogen plasma is analytically calculated as function of reciprocal temperature and degree of ionization. Additionally, the polytropic in…
Slow magnetosonic wave absorption by pressure induced ionization-recombination dissipation
Todor M. Mishonov, Albert M. Varonov
A new mechanisms for damping of slow magnetosonic waves (SMW) by pressure induced oscillations of the ionization degree is proposed. An explicit formula for the damping rate is qua…
Sound Absorption in Partially Ionized Hydrogen Plasma and Heating Mechanism of Solar Chromosphere
Todor M. Mishonov, Iglika M. Dimitrova, Albert M. Varonov
The temperature dependence of rates of electron impact ionization and two electrons recombination are calculated using Wannier cross section of electron impact ionization of neutra…
Nanotechnological Structure for Observation of Current Induced Contact Potential Difference and Creation of Effective Cooper Pair Mass-Spectroscopy
Todor M. Mishonov, Albert M. Varonov
Changes of the electron work-function of a superconductor proportional to the square of the current density are known as Bernoulli effect in superconductors or current…
The Day of the Inductance. Problem of the 7-th Experimental Physics Olympiad, Skopje, 7 December 2019
Todor M. Mishonov, Riste Popeski-Dimovsk, Leonora Velkoska +5
This is the problem of the 7-th international Experimental Physics Olympiad "The Day of the Inductance". A large inductance made by a general impedance converter is measured by the…
Electric Oscillations Generated by Fluctuation Cooper Pairs
Todor M. Mishonov, Aleksander P. Petkov, Victor I. Danchev +1
A short review of the history and the contemporary numerical calculations of the operation of an electronic device for generation of electric oscillations by negative differential…
The Theory of Heating of the Solar Corona and Launching of the Solar Wind by Alfvén Waves
A. M. Varonov
State-of-the-art MHD calculations reveal acceptable agreement with observational data for the height profile of the temperature in the transition region of solar corona. Sim…
Predicted electric field induced surface magnetization of vortex phase of superconductors
T. M. Mishonov, V. I. Danchev, A. M. Varonov
We predict a new effect in condensed matter surface magnetization of the vortex phase of a superconductor induced by electric field. The magnetized superconductor should be one of…
Generation of Teraherz Oscillations by Thin Superconducting Film in Fluctuation Regime
T. M. Mishonov, A. M. Varonov, I. Chikina +1
Explicit analytical expressions for conductivity of a superconducting film above and below critical temperature in an arbitrary electric field are derived in the frameworks of the…
Robust formula for -point Padé approximant calculation based on Wynn identity
T. M. Mishonov, A. M. Varonov
The performed numerical analysis reveals that Wynn's identity for the compass (here C stands for center, the other letters correspond to the f…