141 citations · 351 across the 19 of their papers we have counts for
19 papers
Spin manipulation and nuclear polarization enhancement in particle beams with static magnetic fields
Chrysovalantis S. Kannis, Ralf Engels, Tarek El-Kordy +5
A theoretical study of spin dynamics in non-relativistic particle beams with interacting angular momenta traversing static, spatially varying magnetic fields is presented. The comp…
Production of Spin-Polarized Molecular Beams via Microwave or Infrared Rotational Excitation
C. S. Kannis, T. P. Rakitzis
We propose schemes to produce highly nuclear-spin polarized small molecules in an intense and cold molecular beam via microwave or infrared rotational excitation, followed by hyper…
High-energy polarized electron beams from the ionization of isolated spin polarized hydrogen atoms
Dimitris Sofikitis, Lars Reichwein, Marios G. Stamatakis +5
We propose a laser-based method for the preparation of high-energy polarized electrons, from the ionization of isolated spin-polarized hydrogen (SPH) atoms. The SPH atoms are prepa…
Spatial Wavefunctions of Spin
T. Peter Rakitzis
We present an alternative formulation of quantum mechanical angular momentum, based on spatial wavefunctions that depend on the Euler angles , and have an additional inter…
The Vector-Model Wavefunction: spatial description and wavepacket formation of quantum-mechanical angular momenta
T. Peter Rakitzis, Michail E. Koutrakis, George E. Katsoprinakis
In quantum mechanics, spatial wavefunctions describe distributions of a particle's position or momentum, but not of angular momentum . In contrast, here we show that a spatial w…
Chirality sensing employing PT-symmetric and other resonant gain-loss optical systems
Ioannis Katsantonis, Sotiris Droulias, Costas M. Soukoulis +3
Molecular chirality detection and enantiomer discrimination are very important issues for many areas of science and technology, prompting intensive investigations via optical metho…
Macroscopic production of spin-polarized hydrogen atoms from the IR-excitation and photodissociation of molecular beams
C. S. Kannis, J. Suarez, T. P. Rakitzis
We describe methods for the production of spin-polarized H and D atoms from the IR-excitation and photodissociation of molecular beams of HBr, HI, and isotopes, incl…
Magnetometry with spin polarized Hydrogen from molecular photo-dissociation
Konstantinos Tazes, Alexandros K. Spiliotis, Michalis Xygkis +3
In a recent publication [arXiv:2010.14579], we introduced a new type of atomic magnetometer, which relies on hydrohalide photo-dissociation to create high-density spin-polarized hy…
Depolarization of Spin-Polarized Hydrogen via Collisions with Chlorine Atoms at Ultrahigh Density
Alexandros K. Spiliotis, Michail Xygkis, Michail E. Koutrakis +2
Recently, the production of ultrahigh-density (~10^{19}cm^{-3}) spin-polarized deuterium (SPD) atoms was demonstrated, from the photodissociation of deuterium iodide, but the upper…
A Nanosecond-Resolved Atomic Hydrogen Magnetometer
Alexandros K. Spiliotis, Michalis Xygkis, Konstantinos Tazes +3
Spin polarized atomic ensembles can be used for the precise measurement of magnetic field. Conventional atomic magnetometers have demonstrated high sensitivities, albeit at low det…
Macroscopic production of highly nuclear-spin-polarized molecules from IR-excitation and photodissociation of molecular beams
C. S. Kannis, T. P. Rakitzis
Pure, highly nuclear-spin-polarized molecules have only been produced with molecular beam-separation methods, with production rates up to s. Here, w…
Simulation of Polarized Beams from Laser-Plasma Accelerators
Anna Hützen, Johannes Thomas, Andreas Lehrach +6
The generation of polarized particle beams still relies on conventional particle accelerators, which are typically very large in scale and budget. Concepts based on laser-driven wa…
Polarized Proton Beams from Laser-induced Plasmas
Anna Hützen, Johannes Thomas, Jürgen Böker +7
We report on the concept of an innovative source to produce polarized proton/deuteron beams of a kinetic energy up to several GeV from a laser-driven plasma accelerator. Spin effec…
Ultrahigh-density spin-polarized H and D observed via magnetization quantum beats
Dimitris Sofikitis, Chrysovalantis S. Kannis, Gregoris K. Boulogiannis +1
We measure nuclear and electron spin-polarized H and D densities of at least 10 with 10 ns lifetimes, from the photodissociation of HBr and DI with circularl…
Highly spin-polarized deuterium atoms from the UV dissociation of Deuterium Iodide
D. Sofikitis, P. Glodic, G. Koumarianou +5
We report the production of highly spin-polarized Deuterium atoms via photodissociation of deuterium iodide at 270 nm. The velocity distribution of both the deuterium and iodine ph…
Evanescent-wave and open-air chiral sensing via signal-reversing cavity-enhanced polarimetry
Dimitris Sofikitis, Lykourgos Bougas, Georgios E. Katsoprinakis +3
Sensing chirality is of fundamental importance to many fields, including analytical and biological chemistry, pharmacology, and fundamental physics. Recent developments have extend…
Stark shift and parity non-conservation for near-degenerate states of xenon
L. Bougas, G. E. Katsoprinakis, D. Sofikitis +8
We identify a pair of near-degenerate states of opposite parity in atomic Xe, the at cm and at $\rm{E…
Fundamentals of Cavity-Enhanced Polarimetry for Parity-Nonconserving Optical Rotation Measurements: Application to Xe, Hg and I
L. Bougas, G. E. Katsoprinakis, W. von Klitzing +1
We present the theoretical basis of a cavity-enhanced polarimetric scheme for the measurement of parity-nonconserving (PNC) optical rotation. We discuss the possibility of detectin…
Calculation of parity non-conserving optical rotation in iodine at 1315 nm
G. E. Katsoprinakis, L. Bougas, T. P. Rakitzis +2
We examine the feasibility of a parity non-conserving (PNC) optical rotation experiment for the PP transition of atomic iodine at 1315 nm. The cal…