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Worldvolume fermions as baryons in holographic quantum chromodynamics with instantons: 《Communications in Theoretical Physics》2025年第1期106-121,共16页Si-wen Li Hao-qian Li Yi-peng Zhang; supported by the National Natural Science Foundation of China(Grant No.12005033);the Fundamental Research Funds for the Central Universities(Grant No.3132024192)。; In this study,we investigated worldvolume fermions on the flavor brane in the D0-D4/D8 model,which is holographically equivalent to four-dimensional quantum chromodynamics with instantons or equivalently with a theta ...; 关键词：gauge-gravity duality AdS/CFT holographic QCD

Higgs-like(pseudo)scalars in AdS_(4),marginal and irrelevant deformations in CFT_(3),and instantons on S^(3): 《Chinese Physics C》2024年第4期68-81,共14页M.Naghdi; Employing a 4-form ansatz of 11-dimensional supergravity over a non-dynamical AdS_(4)×S^(7)/Z_(k)background and setting the internal space as an S1 Hopf fibration on CP3,we obtain a consistent truncation.The(pseudo)s...; 关键词：AdS_(4)/CFT_(3)correspondence scalar equations in AdS_(4) INSTANTONS marginal and irrelevant operators (anti)M-branes

Super Gaussian enhancers in the Schwinger mechanism: 《Communications in Theoretical Physics》2020年第1期81-88,共8页Ibrahim Akal; the support of the Collaborative Research Center SFB 676 of the DFG.; We study the Schwinger mechanism in the presence of an additional uniformly oriented,weak super Gaussian of integer order 4 N+2.Using the worldline approach,we determine the relevant critical points to compute the lea...; 关键词：QUANTUM field theory nonperturbative PHENOMENA INSTANTONS SCHWINGER effect semiclassics

Properties of Charmonium States in a Phenomenological Approach: 《Communications in Theoretical Physics》2019年第2期192-202,共11页Praveen P D’Souza Antony Prakash Monteiro K.B.Vijaya Kumar; We investigate the spectrum and decay rates of charmonium states within the framework of the non relativistic quark model by employing a Coulomb like potential from the perturbative one gluon exchange and the linear c...; 关键词：non-relativistic quark model INSTANTONS CHARMONIUM radiative DECAY TWO GLUON DECAY TWO photon DECAY leptonic DECAY branching ratio

Super-light baryo-photons, weak gravity conjecture and exotic instantons in neutron-antineutron transitions: 《Chinese Physics C》2018年第5期35-41,共7页Andrea Addazi; In companion papers(A. Addazi, Nuovo Cim. C, 38(1): 21(2015); A. Addazi, Z. Berezhiani, and Y. Kamyshkov, ar Xiv:1607.00348), we have discussed current bounds on a new super-light baryo-photon, associated with a U(1)B...; 关键词：neutron-antineutron baryon and lepton violations string phenomenology

Testing B-violating signatures from exotic instantons in future colliders: 《Chinese Physics C》2017年第9期19-26,共8页Andrea Addazi Xian-Wei Kang Maxim Yu. Khlopov; supported in part by the MIUR research grant “Theoretical Astroparticle Physics” PRIN 2012CPPYP7;partly supported by the DFG and the NSFC through funds provided to the Sino-German CRC 110 “Symmetries and the Emergence of Structure in QCD”;MOST,Taiwan,(104-2112-M-001-022)from April 2017;Supported by MEPhI Academic Excellence Project(contract 02.03.21.0005,27.08.2013);supported by the Ministry of Education and Science of Russian Federation,project 3.472.2014/K and grant RFBR 14-22-03048; We discuss possible implications of exotic stringy instantons for baryon-violating signatures in future colliders. In particular, we discuss high-energy quark collisions and A- transitions. In principle, the A-A proce...; 关键词：CEPC SppC exotic instanton baryon number violation

instanton quantum tunneling Jacobi elliptic functions Lamé functions: 《Communications in Theoretical Physics》2016年第2期145-153,共9页刘式适付遵涛刘式达赵强; Supportted by the National Natural Science Foundation of China under Grant No.40975027; Under condition of four potential fields, equations of motion and fluctuations in imaginary time are utilized to analytically derive the basic and fluctuating periodic instantons. It is shown that the basic instantons...; 关键词：Basic and Fluctuating Periodic Instantons in Quantum Tunneling

Exact construction of noncommutative instantons: 《Frontiers of Mathematics in China》2013年第5期1031-1046,共16页Masashi HAMANAKA Toshio NAKATSU; We discuss the Atiyah-Drinfeld-Hitchin-Manin （ADHM） construc- tion of U（N） instantons in noncommutative （NC） space and give some exact instanton solutions for various noncommutative settings. We also present a n...; 关键词：INSTANTONS noncommutative geometry

Topological Quantization of Instantons in SU（2） Yang-Mills Theory: 《Chinese Physics Letters》2008年第5期1534-1537,共4页钟握军段一士; By decomposing SU（2） gauge potential in four-dimensional Euclidean SU（2） Yang-Mills theory in a new way, we find that the instanton number related to the isospin defects of a doublet order parameter can be topolog...; 关键词：SYMMETRY-BREAKING GAUGE-THEORIES

Analysis of X（1576） as a Tetraquark State with the QCD Sum Rules: 《Chinese Physics Letters》2006年第12期3208-3210,共3页王志刚完绍龙; Supported by the National Natural Science Foundation under Grant No 10405009, and the Key Program Foundation of North China Electric Power University.; We take the viewpoint that X（1576） is the tetraquark state which consists of a scalar diquark and an antiscalar-diquark in relative P-wave, and calculate its mass in the framework of the QCD sum rule approach. The n...; 关键词：4-QUARK STATES RESONANCE PHYSICS SCALAR MESONS QUARK-MODEL INSTANTONS MASSES

INSTANTONS