activity
20092024
most citedAttosecond time delay in the photoionization of endohedral atoms A@C: A new probe of confinement resonances

58 citations · 278 across the 24 of their papers we have counts for

collaborators

24 papers

physics.atom-ph2024

On Resonance Enhancement of Nondipole Photoelectron Asymmetries in Low-Energy Ne -Photoionization

Valeriy K. Dolmatov, Steven T. Manson

Earlier, a significant enhancement of the nondipole parameters , , and in the photoelectron angular distribution for Ne photoioniza…

physics.atom-ph2021★ 5 cited

Positron elastic scattering by a semifilled-shell atom

M. Ya. Amusia, V. K. Dolmatov, L. V. Chernysheva

We theoretically study the positron elastic scattering by an atom with a multielectron semifilled subshell in its structure. The positron scattering by the Mn(,$^{…

physics.atom-ph2018

On possible multiple occurrences of the breakdown of the dipole and dipole-quadrupole approximations in angle-differential spectra of fullerene anions, C

V K Dolmatov, A Edwards, C G Lane

We provide the initial insight into the angle-differential photodetachment spectra of fullerene anions beyond the dipole approximation by utilizing a broadly used modelling of C$_{…

physics.atom-ph2018★ 1 cited

Polarization of the C cage by the photoelectron, interior static polarization of C by the ion-remainder and atomic-core relaxation in @C photoionization

V. K. Dolmatov

Photoionization cross sections, photoelectron angular-asymmetry parameters and photoionization time delays for @C endohedral atoms are studied with account for both the i…

physics.atom-ph2016

Electron elastic scattering off polarizable @C: The complete study within a particular theory

V. K. Dolmatov, M. Ya. Amusia, L. V. Chernysheva

A deeper insight into electron elastic scattering off endohedral fullerenes @C is provided. The study accounts for polarization of both the encapsulated atom and C$_{…

physics.atom-ph2016★ 39 cited

Relativistic calculations of angular dependent photoemission time delay

A. S. Kheifets, Ankur Mandal, P. C. Deshmukh +2

Angular dependence of photoemission time delay for the valence and subshells of Ar, Kr and Xe is studied in the dipole relativistic random phase approximation…

physics.atom-ph2016

The interaction of excited atoms and few-cycle laser pulses

J. E. Calvert, Han Xu, A. J. Palmer +9

This work describes the first observations of the ionisation of neon in a metastable atomic state utilising a strong-field, few-cycle light pulse. We compare the observations to th…

physics.atom-ph2015★ 21 cited

Electron elastic scattering off @C: The role of atomic polarization under confinement

V. K. Dolmatov, M. Ya. Amusia, L. V. Chernysheva

The present paper explores possible features of electron elastic scattering off endohedral fullerenes @C. It focuses on how dynamical polarization of the encapsulated ato…

physics.atom-ph2015

Electron elastic scattering and low-frequency bremsstrahlung on A@: A model static approximation

V. K. Dolmatov, C. Bayens, M. B. Cooper +1

Electron elastic-scattering phase shifts and cross sections along with the differential and total cross sections and polarization of low-frequency bremsstrahlung upon low-energy el…

physics.atom-ph2014★ 12 cited

Attosecond time delay in the photoionization of Mn in the region of the giant resonance

V. K. Dolmatov, A. S. Kheifets, P. C. Deshmukh +1

The initial insight into time delay in Mn photoionization in the region of the giant autoionization resonance is gained in the framework of the "spin-polarized" random…

physics.atom-ph2014★ 3 cited

`C spin-charging' with an eye on a quantum computer

J. -P. Connerade, V. K. Dolmatov

A question whether there exists an interaction between the spins of the endohedral atom @C and the properties of the confining shell which might affect the alignment of,…

physics.atom-ph2014★ 6 cited

Electron elastic scattering off a spin-polarized Cr atom

V. K. Dolmatov, M. Ya. Amusia, L. V. Chernysheva

Electron elastic scattering off a spin-polarized Cr(..., ) atom is theoretically studied in the region of electron energies up to eV using both a one-elec…

physics.atom-ph2014★ 58 cited

Attosecond time delay in the photoionization of endohedral atoms A@C: A new probe of confinement resonances

P. C. Deshmukh, A. Mandal, S. Saha +3

The effects of confinement resonances on photoelectron group delay (Wigner time delay) following ionization of an atom encapsulated inside a C cage have been studied theoret…

physics.atom-ph2014★ 1 cited

Electron elastic scattering off endohedral fullerenes A@C60: The initial insight

V K Dolmatov, M B Cooper, M E Hunter

The initial insight into electron elastic scattering off endohedral fullerenes A@C60 is gained in the framework of a theoretical approach where the C60 cage is modelled by a rectan…

physics.atom-ph2013

Featured trends in eMn electron elastic scattering

V. K. Dolmatov, M. Ya. Amusia, L. V. Chernysheva

The impacts of both exchange interaction and electron correlation, as well as their combined impact, on electron elastic scattering off a semifilled shell Mn(..., $…

physics.atom-ph2013

Confinement induced orbital breathing, fusion, fission and re-ordering in semifilled shell atoms

V K Dolmatov

Alternate contraction and drastic expansion, i.e., `breathing' of electronic subshells, the effects of fusion of two subshells into one subshell and its subsequent fission (splitti…

physics.atom-ph2012★ 11 cited

Atomic swelling upon compression

V. K. Dolmatov, J. L. King

The hydrogen atom under the pressure of a spherical penetrable confinement potential of a decreasing radius is explored, as a case study. A novel counter-intuitive effect o…

physics.atom-ph2011★ 55 cited

Diffuse versus square-well confining potentials in modelling @C atoms

V. K. Dolmatov, J. L. King, J. C. Oglesby

Attention: this version- of the manuscript differs from its previously uploaded version- (arXiv:1112.6158v1) and subsequently published in 2012 J. Phys. B \textbf{45} 105102…

physics.atom-ph2011★ 36 cited

Confinement and correlation effects in the Xe@C60 generalized oscillator strengths

M. Ya. Amusia, L. V. Chernysheva, V. K. Dolmatov

The impact of both confinement and electron correlation on generalized oscillator strengths (GOS's) of endohedral atoms, A@C60, is theoretically studied choosing the Xe@C60 4d, 5s,…

physics.atom-ph2011

5s correlation confinement resonances in Xe-endo-fullerenes

V. K. Dolmatov, D. A. Keating

Spectacular trends in the modification of the Xe 5s photoionization via interchannel coupling with confinement resonances emerging in the Xe 4d giant resonance upon photoionization…

physics.atom-ph2011★ 6 cited

Xe 4d photoionization in Xe@C60, Xe@C240, and Xe@C60@C240

V. K. Dolmatov, D. A. Keating

Re-evaluated parameters for the square-well potential model for photoionization of endo-fullerenes are proposed and employed to reveal the spectacular modifications in the Xe 4d ph…

physics.atom-ph2010

On confinement resonances in A@C60 photoionization: easy to observe?

V. K. Dolmatov, S. T. Manosn

Possible reasons that confinement resonances are not observed in a recent photoionization experiment on the endohedral fullerene Ce@C82+ are explored. The effect of the polarizatio…

physics.atom-ph2009★ 3 cited

Confinement and electron correlation effects in photoionization of atoms in endohedral anions: Ne@C60^{z-}

V. K. Dolmatov, G. T. Craven, D. Keating

Trends in resonances, termed confinement resonances, in photoionization of atoms A in endohedral fullerene anions A@C60^{z-} are theoretically studied and exemplified by the photoi…

physics.atom-ph2009★ 21 cited

Revivification of confinement resonances in the photoionization of @C endohedral atoms far above thresholds

V. K. Dolmatov, G. T. Craven, E. Guler +1

It is discovered theoretically that significant confinement resonances in an photoionization of a \textit{multielectron} atom encaged in carbon fullerenes, A@C, may…