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Tuesday, September 23, 2025
NASA tracks tsunami in real time after massive earthquake | Rocket Lab eyes Mars and Venus
Seminars Digest, Vol 77, Issue 7
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Today's Topics:
1. Thursday 25.09.2025 - ITP/CAS Colloquium (info+seminars@itp.ac.ru)
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Subject: [Landau ITP Seminars] Thursday 25.09.2025 - ITP/CAS
Colloquium
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Уважаемые коллеги!
На онлайн коллоквиум по теоретической физике в четверг 25.09 будут заслушаны 2 доклада:
1) 10:00:00 по московскому времени: Yue-Liang Wu (Institute of Theoretical Physics Chinese Academy of Sciences)
The Unification from Spin Dynamics
This talk will present how the principles of spin dynamics serve as the foundation for unifying quantum mechanics with general relativity. This unification gives rise to a Gravitational Quantum Field Theory (GQFT), which predicts new gravitational wave polarizations associated with spin phenomena, and a General Theory of the Standard Model (GSM), offering a unified framework for particle physics and cosmology. Furthermore, its extension into hyper-spin dynamics allows for the development of a Hyperunified Field Theory (HUFT), a single framework encompassing all fundamental interactions and elementary particles. Such a theory is crucial for understanding the nature of spacetime and gravity and for addressing profound mysteries of the universe, including dark matter, dark energy, and inflation. Ultimately, we expect gravitational wave astronomy to provide a powerful new probe into the gravitational universe.
Biography
Prof. Yue-Liang Wu, theoretical physicist, is a member of the Chinese Academy of Sciences (CAS), TWAS and the International Eurasian Academy of Sciences. He has served as the director of the International Centre for Theoretical Physics Asia-Pacific (ICTP-AP, UNESCO), the academic vice-president of the University of Chinese Academy of Sciences (UCAS), and the chief scientist of the Taiji Program in Space for Gravitational Wave Detection in China. He graduated from Nanjing University in 1982, received his Ph.D. from the Institute of Theoretical Physics (ITP) at CAS in 1987, worked at Dortmund University and Mainz University in Germany and at Carnegie-Mellon University and Ohio-State University in the USA from 1987 to 1996, and has been working at the Institute of Theoretical Physics at CAS since 1996.
Zoom: 865 8003 4689
Passcode: 634014
2) 11:00:00 по московскому времени: N. N. Nikolaev (L. D. Landau Institute for Theoretical Physics Russian Academy of Sciences)
Fundamental Symmetries in Storage Ring Experiments
Abstract
The principal aim of this talk is to draw the attention of the Chinese high-energy community to the exciting Beyond Standard Model (BSM) physics offered by spin experiments in storage rings (SR). SR-based searches for the electric dipole moment of charged particles have the potential to uncover the origin of BSM CP-violation, which is badly needed to explain the observed baryogenesis in the Universe. I will briefly comment on the classic results of JEDY@COSY and the ongoing activity of the CPEDM@CERN, srEDM@BNL, and SPRINT@NICA (JINR) collaborations in this direction. My major focus will be on the spin in SRs as a broadband antenna for axions and axion-like particles. A beauty of SRs is the relativistic enhancement by a factor of 1000 of a pseudomagnetic field induced by the axion halo of our Galaxy. I comment on new ideas for searching for SM parity violation based on the JEDI experience with precessing horizontal polarization. Next, I move to a so far little-explored BSM C-odd and T-odd millistrong interaction postulated in 1965 by Okun, Lee, Wolfenstein, Prentky, and Veltman as a source of CP violation. Here, precessing polarization would allow systematics-free extraction of T-violation in pd scattering. As a cherry on the cake, I will comment on the unique discovery potential of precessing polarization targets and share my excitement that a remarkably close idea is being pursued by Dr. Boxing Gou of the Institute of Modern Physics, Lanzhou.
Biography
Nikolai Nikolaevich Nikolaev, born 20.05.1947, Mari El Republic, Russia. Moscow Institute of Physics and Technology (1964-1970), with honors. PhD student (1970-1973) at MIPT, supervisor Lev Borisovich Okun. Since 1973 at the Landau Institute for Theoretical Physics. Other positions: Research fellow at the Theory Division, CERN (1978-1979); Visiting professor at the University of Torino, Italy (1990-1991); Senior researcher, Institut f. Kernphysik, Forschungszentrum Juelich, Germany (1993-2012). Major Research interests: electroweak interactions, formation length in nuclear interactions, pre-QCD parton model, antishadowing phenomenon, QCD formalism for DIS on nuclear targets; QCD theory of color transparency and diffractive DIS; spin filtering in storage rings; quantum collective betatron oscillations, general relativity effects for spins in storage rings, spin dynamics in precision searches for the EDM and axion-like particles in storage ring experiments. H-index 45, 8600+ citations, sample publications:
- N. N. Nikolaev, B. G. Zakharov, Color transparency and scaling properties of nuclear shadowing in deep inelastic scattering, DOI: 10.1007/BF01483577, Z.Phys.C 49 (1991), 607-618.
- S. N. Vergeles, N. N. Nikolaev, Yu. N. Obukhov, A. Ya. Silenko, O. V. Teryaev, General relativity effects in precision spin experimental tests of fundamental symmetries, Usp.Fiz.Nauk 193 (2023) 2, 113-154, DOI: 10.3367/UFNe.2021.09.039074 , 10.3367/UFNe.2021.09.039074
- N. N. Nikolaev et al. (JEDI Collaboration), Spin decoherence and off-resonance behavior of radio-frequency-driven spin rotations in storage rings, Phys.Rev.Accel.Beams 27 (2024) 11, 111002, DOI: 10.1103/PhysRevAccelBeams.27.111002
Zoom: 865 8003 4689
Passcode: 634014
Zoom meeting ID: 890 7187 2369
Пароль: 544845
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