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Quantum technologies that rely on photonic qubits require a precise controllability of their properties. For this purpose hybrid approaches are particularly attractive because they offer a large flexibility to address different aspects of…

A theoretical approach to photoconversion efficiency modeling in perovskite p-i-n structures is developed. The results of this modeling compare favorably with the experiment and indicate that the surfaces of the perovskite solar cells (SCs)…

Mesoscale and Nanoscale Physics · Physics 2017-04-06 A. V. Sachenko , V. P. Kostylyov , A. V. Bobyl , V. M. Vlasyuk , I. O. Sokolovskyi , E. I. Terukov , M. Evstigneev

Accurate and reliable prediction of Photovoltaic (PV) power output is critical to electricity grid stability and power dispatching capabilities. However, Photovoltaic (PV) power generation is highly volatile and unstable due to different…

Machine Learning · Computer Science 2022-10-04 Sarah Almaghrabi , Mashud Rana , Margaret Hamilton , Mohammad Saiedur Rahaman

We present new analytic continuation results for the dynamic structure factor $S(\mathbf{q},\omega)$ of the uniform electron liquid based on quasi-exact \emph{ab initio} path integral Monte Carlo (PIMC) data for the imaginary-time…

Computational Physics · Physics 2026-03-31 Thomas Chuna , Maximilian P. Böhme , Tobias Dornheim

The organic-inorganic hybrid lead trihalide perovskites have been emerging as the most attractive photovoltaic material. As regulated by Shockley-Queisser theory, a formidable materials science challenge for the next level improvement…

Derivation of an analytic, closed-form solution for Q-switched laser induced optoacoustic phenomenon in absorbing fluid media is presented. The solution assumes spherical symmetry as well for the forcing function, which represents heat…

Optics · Physics 2012-11-07 Luisiana Cundin , William Elliott , Norman Barsalou , Shannon Voss

Waveguide quantum electrodynamics (WQED) offers a powerful framework for controlling light-matter interactions and realizing collective phenomena such as super- and subradiance. In general waveguide settings, the quantum dynamics spans the…

Quantum Physics · Physics 2026-03-06 M. Eltohfa , F. Robicheaux

Thermophotovoltaic devices are energy-conversion systems generating an electric current from the thermal photons radiated by a hot body. In far field, the efficiency of these systems is limited by the thermodynamic Schockley-Queisser limit…

Mesoscale and Nanoscale Physics · Physics 2016-07-19 Riccardo Messina , Philippe Ben-Abdallah

We develop a new approach to calculate the obtainable limit of photoconversion efficiency of tandem solar cells (SCs) and applied it to SCs with both vertical and lateral designs at AM0 and AM1.5 conditions. To get the maximum efficiency,…

Materials Science · Physics 2013-09-13 A. V. Sachenko , V. P. Kostylyov , N. P. Kulish , I. O. Sokolovskyi , A. I. Shkrebtii

Variational quantum eigensolver (VQE), which combines quantum systems with classical computational power, has been arisen as a promising candidate for near-term quantum computing applications. However, the experimental resources such as the…

We present an analytical model for the Seebeck coefficient S of superlattice materials that explicitly takes into account the energy relaxation due to electron-optical phonon (e-ph) scattering. In such materials, the Seebeck coefficient is…

Mesoscale and Nanoscale Physics · Physics 2019-09-04 Vassilios Vargiamidis , Mischa Thesberg , Neophytos Neophytou

In this work, we present a stochastic variational calculation (SVM) of energies and wave functions of few particle systems coupled to quantum fields in cavity QED. The light-matter coupled system is described by the Pauli-Fierz Hamiltonian.…

Mesoscale and Nanoscale Physics · Physics 2022-01-05 Alexander Ahrens , Chenhang Huang , Matt Beutel , Cody Covington , Kalman Varga

Charge-density wave phases in quantum materials stem from the complex interplay of electronic and lattice degrees of freedom. Nowadays, various time-resolved spectroscopy techniques allow to actively manipulate such phases and monitor their…

Strongly Correlated Electrons · Physics 2024-05-14 Eva Paprotzki , Alexander Osterkorn , Vibhu Mishra , Stefan Kehrein

The spectral weight functions and the optical conductivity of the Holstein model are studied on a one-dimensional six-site lattice with periodic boundary conditions for three different electron concentrations: a single electron, two…

Strongly Correlated Electrons · Physics 2009-10-31 Chunli Zhang , Eric Jeckelmann , Steven R. White

In this paper we make a detailed study of the role of coherent tunneling, on the photocurrent and power delivered by a quantum dot molecule (QDM) in the presence of solar light. We focus our analysis on the coherence driven by tunneling and…

Quantum Physics · Physics 2022-07-15 J. Lira , J. M. Villas-Boas , L. Sanz , A. M. Alcalde

We study the spherical quantum pseudodots in the Schrodinger equation using the pseudo-harmonic plus harmonic oscillator potentials considering the effect of the external electric and magnetic fields. The finite energy levels and the wave…

Quantum Physics · Physics 2019-04-15 Mahdi Eshghi , Sameer M. Ikhdair

High-precision approximate analytic expressions for energies and wave functions are found for arbitrary physical potentials. The Schr\"{o}dinger equation is cast into nonlinear Riccati equation, which is solved analytically in first…

Mathematical Physics · Physics 2009-11-13 E. Z. Liverts , E. G. Drukarev , R. Krivec , V. B. Mandelzweig

We review recent theoretical calculations of quantum entanglement in photosynthetic light harvesting complexes. These works establish, for the first time, a manifestation of this characteristically quantum mechanical phenomenon in…

Quantum Physics · Physics 2010-12-21 K. Birgitta Whaley , Mohan Sarovar , Akihito Ishizaki

We consider the factors that affect the photoactivity of silicon electrodes for the water-splitting reaction using a self-consistent continuum solvation (SCCS) model of the solid-liquid interface. This model allows us to calculate the…

Mesoscale and Nanoscale Physics · Physics 2019-09-10 Quinn Campbell , Ismaila Dabo

Photosynthesis is remarkable, achieving near unity light harvesting quantum efficiency in spite of dynamic light conditions and noisy physiological environment. Under these adverse conditions, it remains unknown whether there exists a…

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