Primary optical excitations and excited-state interaction energies in sexithiophene
نویسندگان
چکیده
منابع مشابه
Excited-state Energies and Supersymmetric Indices
We study multi-soliton states in two-dimensional N=2 supersymmetric theories. We calculate their energy exactly as a function of mass and volume in the simplest integrable N=2 supersymmetric theory, the sineGordon model at a particular coupling. These energies are related to the expectation value I = tr[exp(inπF ) exp(−H/T )], where F is the fermion number. For n=1, this is Witten’s index; for ...
متن کاملIntegrable Quantum Field Theories in Finite Volume: Excited State Energies
We develop a method of computing the excited state energies in Integrable Quantum Field Theories (IQFT) in nite geometry, with spatial coordinate compacti ed on a circle of circumference R. The IQFT \commuting transfer-matrices" introduced in [1] for Conformal Field Theories (CFT) are generalized to non-conformal IQFT obtained by perturbing CFT with the operator 1;3. We study the models in whic...
متن کاملQuasi-particle energies and optical excitations of hydrogenated and fluorinated germanene.
Using density functional theory, the G0W0 method and Bethe-Salpeter equation calculations, we systematically explore the structural, electronic and optical properties of hydrogenated and fluorinated germanene. The hydrogenated/fluorinated germanene tends to form chair and zigzag-line configurations and its electronic and optical properties show close geometry dependence. The chair hydrogenated/...
متن کاملMicroscopic Parameters in the Excited State of Toluene and Some of Its Haloderavatives
The Ultraviolet-visible (UV) spectra of toluene, ortho-bromo and para-bromo toluene in different solvents have been studied. The electric dipole moments and polarizabilities in the molecular excited electronic states were determined. It was found that the electric dipole moments for the excited states (µ*) and the ground states (µ) of these compounds are equal, and the change in dipole moment i...
متن کاملJa n 20 06 Calculation of ground - and excited - state energies of confined helium atom
We calculate the energies of ground and three low lying excited states of confined helium atom centered in an impenetrable spherical box. We perform the calculation by employing variational method with two-parameter variational forms for the correlated two-particle wave function. With just two variational parameters we get quite accurate results for both ground and excited state energies. PACS ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review B
سال: 2002
ISSN: 0163-1829,1095-3795
DOI: 10.1103/physrevb.66.113102