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pro vyhledávání: '"Rakitzis, T. Peter"'
We propose a laser-based method for the preparation of high-energy, highly-polarized electrons, from the ionization of isolated spin-polarized hydrogen (SPH) atoms. The SPH atoms are prepared from the photodissociation of HBr, using two consecutive s
Externí odkaz:
http://arxiv.org/abs/2403.05651
Autor:
Rakitzis, T. Peter
We present an alternative formulation of quantum mechanical angular momentum, based on spatial wavefunctions that depend on the Euler angles $\phi, \theta, \chi$. The wavefunctions are Wigner D-functions, $D_{n m}^j (\phi, \theta, \chi)$, for which t
Externí odkaz:
http://arxiv.org/abs/2307.13591
In quantum mechanics, spatial wavefunctions describe distributions of a particle's position or momentum, but not of angular momentum $j$. In contrast, here we show that a spatial wavefunction, $j_m (\phi,\theta,\chi)=~e^{i m \phi} \delta (\theta - \t
Externí odkaz:
http://arxiv.org/abs/2305.11456
Autor:
Katsantonis, Ioannis, Droulias, Sotiris, Soukoulis, Costas M., Economou, Eleftherios N., Rakitzis, T. Peter, Kafesaki, Maria
Molecular chirality detection and enantiomer discrimination are very important issues for many areas of science and technology, prompting intensive investigations via optical methods. However, these methods are hindered by the intrinsically weak natu
Externí odkaz:
http://arxiv.org/abs/2112.03747
Autor:
Tazes, Konstantinos, Spiliotis, Alexandros K., Xygkis, Michalis, Katsoprinakis, George E., Rakitzis, T. Peter, Vasilakis, Georgios
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 hydrogen. Here, we extend our previous work and present a detailed theor
Externí odkaz:
http://arxiv.org/abs/2102.06493
Autor:
Spiliotis, Alexandros K., Xygkis, Michail, Koutrakis, Michail E., Sofikitis, Dimitrios, Rakitzis, T. Peter
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 density limit was not determined. Here, we present studies of spin-po
Externí odkaz:
http://arxiv.org/abs/2101.02675
Autor:
Spiliotis, Alexandros K., Xygkis, Michalis, Tazes, Konstantinos, Katsoprinakis, George E., Vasilakis, Georgios, Rakitzis, T. Peter
Spin polarized atomic ensembles can be used for the precise measurement of magnetic field. Conventional atomic magnetometers have demonstrated high sensitivities, albeit at low detection bandwidth, fundamentally limited by the Larmor precession frequ
Externí odkaz:
http://arxiv.org/abs/2010.14579
Autor:
Hützen, Anna, Thomas, Johannes, Lehrach, Andreas, Rakitzis, T. Peter, Pukhov, Alexander, Ji, Liangliang, Wu, Yitong, Engels, Ralf, Büscher, Markus
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 wake-field acceleration have strongly been promoted during the last deca
Externí odkaz:
http://arxiv.org/abs/2002.02211
Akademický článek
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Autor:
Hützen, Anna, Thomas, Johannes, Böker, Jürgen, Engels, Ralf, Gebel, Ralf, Lehrach, Andreas, Pukhov, Alexander, Rakitzis, T. Peter, Sofikitis, Dimitris, Büscher, Markus
Publikováno v:
High Pow Laser Sci Eng 7 (2019) e16
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 effects have been implemented into the PIC simulation code VLPL to make the
Externí odkaz:
http://arxiv.org/abs/1810.02247