個人簡介
2005年09月起
南開大學物理學院，教授
2000年10月至2005年08月德國萊比錫大學理論物理所，
1996年05月至2000年09月
清華大學物理系，教師，副教授
1994年04月至1996年04月
清華大學物理系，博士後，獲講師資格
1987年09月至1994年03月
中科院理論物理所，碩士生，博士生，獲理學博士學位
1982年09月至1987年07月
清華大學工程物理系材料科學專業(現材料系)，學生，獲工學學士學位
研究興趣
(1) 中微子物理。特別是中微子振盪, 不含中微子的雙貝塔衰變及高能對撞機上中微子參與的物理過程。
(2) 暗物質。可能的暗物質粒子及其探測。
(3) 極輕粒子與光子相互作用導致的強場中光束偏振性質的改變及其在天體物理中的效應。
曾研究過的專題
(1) 非粒子(unparticle)的物理。研究其唯象學和基本理論所有方面。
(2) 非對易時空中的量子場論及唯象學。
(3) Higgs物理與對撞機物理。
(4) 輻射修正, 重整化理論。
(5) 手征微擾論, 手征夸克模型。
(6) 中子電偶極矩。
近期項目
南開大學引進人才啟動經費(2005-2008)
教育部留學回國人員科研啟動費(2006)
教育部新世紀人才支持計畫(2006)
國家自然科學基金面上項目(2008-2010)--超越標準模型新物理之有效場論研究：光子與極輕粒子的相互作用
國家自然科學基金面上項目(2010-2012)—中微子質量起源的唯象學研究
國家傑出青年科學基金(2011-2014)—粒子物理唯象學研究
教學工作
清華大學
1996年05月至2000年09月
物理系本科生《量子力學》, 《統計力學》
材料系等本科生《量子力學與統計力學》
物理系研究生《量子場論》
南開大學
2006年起春季學期
物理學院研究生《量子場論》
2006年起秋季學期
物理學院研究生《規範場論》
2007、08、09年春季學期
物理學院本科生《物理前沿知識講座》，協調人，主講《粒子物理標準模型》
2010年起秋季學期
物理學院本科生伯苓班《物理研討3》, 主講《量子場論基礎研究》
發表論文
Multiphoton Decays of the Higgs Boson in Standard Model: leading Terms from Heisenberg-Euler Effective Lagrangian.
Yi Liao. Oct 2012. 8pp. Phys.Rev.D86:117302, 2012. e-Print: arXiv:1210.5708 [hep-ph]
Generalized Fierz Identities and Applications to Spin-3/2 Particles.
Yi Liao, Ji-Yuan Liu. Jun 2012. 13pp.
Eur.Phys.J.Plus 127: 121, 2012. e-Print: arXiv:1206.5141 [hep-ph]
Spin 3/2 Particles as a Dark Matter Candidate: an Effective Field Theory Approach.
Ran Ding, Yi Liao. Jan 2012. 19pp.
JHEP 1204:054, 2012. e-Print: arXiv:1201.0506 [hep-ph]
Constraints on Neutrino Velocities Revisited.
Yunjie Huo, Tianjun Li, Yi Liao, Dimitri V. Nanopoulos, Yonghui Qi. Dec 2011. 14pp.
Phys.Rev.D85:034022, 2012. e-Print: arXiv:1112.0264 [hep-ph]
The OPERA Superluminal Neutrinos from Deformed Lorentz Invariance.
Yunjie Huo, Tianjun Li, Yi Liao, Dimitri V. Nanopoulos, Yonghui Qi, Fei Wang. Nov 2011. 4pp.
Mod.Phys.Lett.A27:1250196, 2012. e-Print: arXiv:1111.4994 [hep-ph]
Cascade Seesaw for Tiny Neutrino Mass.
Yi Liao. Nov 2010. 10pp.
JHEP 1106:098, 2011. e-Print: arXiv:1011.3633 [hep-ph]
Neutrino Mass Operators of Dimension up to Nine in Two-Higgs-doublet Model.
Yi Liao. Oct 2010. 9pp.
Phys.Lett.B698:288-292, 2011. e-Print: arXiv:1010.5326 [hep-ph]
Unique Neutrino Mass Operator at any Mass Dimension.
Yi Liao. Sep 2010. 6pp.
Phys.Lett.B694:346-348, 2011. e-Print: arXiv:1009.1692 [hep-ph]
Flavor Violating Transitions of Charged Leptons from a Seesaw Mechanism of Dimension Seven.
Yi Liao, Guo-Zhu Ning, Lu Ren. Aug 2010. 25pp.
Phys.Rev.D82:113003, 2010. e-Print: arXiv:1008.0117 [hep-ph]
Radiative and flavor-violating transitions of leptons from interactions with color-octet particles.
Yi Liao, Ji-Yuan Liu. Nov 2009. 20pp.
Phys.Rev.D81:013004, 2010. e-Print: arXiv:0911.3711 [hep-ph]
Radiative Neutrino Mass in Type III Seesaw Model.
Yi Liao, Ji-Yuan Liu, Guo-Zhu Ning. Feb 2009. 21pp.
Phys. Rev. D79: 073003,2009. e-Print: arXiv:0902.1434 [hep-ph]
Some Issues in a Gauge Model of Unparticles.
Yi Liao. Apr 2008. 16pp.
Eur. Phys. J. C60：125-134，2009. e-Print: arXiv:0804.4033 [hep-ph].
Thermal Unparticles: A New Form of Energy Density in the Universe.
Shao-Long Chen, Xiao-Gang He, Xue-Peng Hu, Yi Liao. Oct 2007. 4pp.
Eur. Phys. J. C60：317-321，2009. e-Print: arXiv: 0710.5129 [hep-ph].
Electric dipole moments of charged leptons from their Majorana-type Yukawa couplings.
Yi Liao. Dec 2008. 13pp.
Phys.Lett.B672:367-371,2009. e-Print: arXiv:0812.4324 [hep-ph].
Electromagnetic Dipole Moments and Radiative Decays of Particles from Exchange of Fermionic Unparticles.
Yi Liao. Apr 2008. 10pp.
Phys.Lett.B665:356-360,2008. e-Print: arXiv:0804.0752 [hep-ph].
Lepton Flavor Violating Muon Decays in a Model of Electroweak-Scale Right-Handed Neutrinos.
Jian-Ping Bu, Yi Liao, Ji-Yuan Liu. Feb 2008. 11pp.
Phys.Lett.B665:39-43, 2008. e-Print: arXiv:0802.3241 [hep-ph]
Effects of Unparticles on Running of Gauge Couplings.
Yi Liao. Aug 2007. 12pp.
Eur. Phys. J. C55：483-488，2008. e-Print: arXiv:0708.3327 [hep-ph]
Long-ranged spin-spin interaction of electron from unparticle exchange.
Yi Liao, Ji-Yuan Liu. Jun 2007. 10pp.
Phys. Rev. Lett. 99: 191804, 2007. e-Print: arXiv:0706.1284 [hep-ph]
Bounds on unparticles couplings to electrons: From electron g-2 to positronium decays.
Yi Liao. May 2007. 8pp.
Phys. Rev. D76: 056006,2007. e-Print: arXiv:0705.0837 [hep-ph]
Impact of spin-zero particle-photon interactions on light polarization in external magnetic fields.
Yi Liao. Apr 2007. 9pp.
Phys.Lett.B650:257-261,2007.
e-Print: arXiv:0704.1961 [hep-ph]
Effective field theory approach to light propagation in an external magnetic field.
Xue-Peng Hu, Yi Liao. Feb 2007. 10pp.
Eur. Phys. J. C 53：635-639，2008. e-Print: hep-ph/0702111
Active-sterile neutrino mixing in the absence of bare active neutrino mass.
Yi Liao. NKHEP-07-2006, Apr 2006. 21pp.
Nucl.Phys.B749:153-171, 2006. e-Print: hep-ph/0604016
Lepton mixing matrix in standard model extended by one sterile neutrino.
Yi Liao (Leipzig U.). LU-ITP-2005-015, Apr 2005. 14pp.
Eur.Phys.J.C49:783-789, 2007. e-Print: hep-ph/0504018
On evaluation of nonplanar diagrams in noncommutative field theory.
Yi Liao (Leipzig U.). LU-ITP-2004-021, Aug 2004. 29pp.
Nucl.Phys.B713:235-262, 2005. e-Print: hep-th/0408047
H/A Higgs mixing in CP-noninvariant supersymmetric theories.
S.Y. Choi (Chonbuk Natl. U.) , J. Kalinowski (Warsaw U.) , Y. Liao (Leipzig U.) , P.M. Zerwas (DESY). DESY-04-055, IFT-04-12, KIAS-P04028, LU-ITP-2004-018, Aug 2004. 20pp.
Eur.Phys.J.C40:555-564, 2005. e-Print: hep-ph/0407347
On double gauging of U(1) symmetry on noncommutative space.
Yi Liao, Klaus Sibold (Leipzig U.). LU-ITP-2004-001, Jan 2004. 8pp.
Phys.Lett.B586:420-424, 2004. e-Print: hep-th/0401105
A Note on CKM matrix renormalization.
Yi Liao (Leipzig U.). LU-ITP-2003-015, Sep 2003. 10pp.
Phys.Rev.D69:016001, 2004. e-Print: hep-ph/0309034
Some phenomenological consequences of the time ordered perturbation theory of QED on noncommutative space-time.
Yi Liao, Christoph Dehne (Leipzig U.). LU-ITP-2002-024, Nov 2002. 21pp.
Eur.Phys.J.C29:125-132, 2003. e-Print: hep-ph/0211425
Spectral representation and dispersion relations in field theory on noncommutative space.
Yi Liao, Klaus Sibold (Leipzig U.). LU-ITP-2002-022, Sep 2002. 15pp.
Phys.Lett.B549:352-361, 2002. e-Print: hep-th/0209221
Time ordered perturbation theory on noncommutative space-time. 2. Unitarity.
Yi Liao, Klaus Sibold (Leipzig U.). LU-ITP-2002-010, Jun 2002. 19pp.
Eur.Phys.J.C25:479-486, 2002. e-Print: hep-th/0206011
Time ordered perturbation theory on noncommutative space-time: Basic rules.
Yi Liao, Klaus Sibold (Leipzig U.). LU-ITP-2002-009, May 2002. 19pp.
Eur.Phys.J.C25:469-477, 2002. e-Print: hep-th/0205269
Validity of Goldstone theorem at two loops in noncommutative U(N) linear sigma model.
Yi Liao (Leipzig U.). LU-ITP-2002-005, Apr 2002. 21pp.
Nucl.Phys.B635:505-524, 2002. e-Print: hep-th/0204032
One loop renormalizability of spontaneously broken gauge theory with a product of gauge groups on noncommutative space-time: The U(1) x U(1) case.
Yi Liao (Leipzig U.). LU-ITP-2002-001, Jan 2002. 24pp.
JHEP 0204:042, 2002. e-Print: hep-th/0201135
One loop renormalization of spontaneously broken U(2) gauge theory on noncommutative space-time.
Yi Liao (Leipzig U.). Oct 2001. 35pp.
JHEP 0111:067, 2001. e-Print: hep-th/0110112
Pair production of neutral Higgs bosons through noncommutative QED interactions at linear colliders.
Harald Grosse (Vienna U.), Yi Liao (Leipzig U.). May 2001. 11pp.
Phys.Rev.D64:115007, 2001. e-Print: hep-ph/0105090
Anomalous C violating three photon decay of the neutral pion in noncommutative quantum electrodynamics.
Harald Grosse (Vienna U.), Yi Liao (Leipzig U.). Apr 2001. 12pp.
Phys.Lett.B520:63-68, 2001. e-Print: hep-ph/0104260
Photon 3 pi and pi 2 photon form-factors from dynamical constituent quarks.
Xiao-yuan Li (Beijing, Inst. Theor. Phys.), Yi Liao (Leipzig U. & Tsinghua U., Beijing). AS-ITP-2001-001, Jan 2001. 14pp.
Phys.Lett.B505:119-124, 2001. e-Print: hep-ph/0101214
Associated production of Higgs bosons and heavy quarks at photon colliders.
Jun-Yu Guo, Yi Liao, Yu-Ping Kuang (Tsinghua U., Beijing & CCAST World Lab, Beijing). 2000. 5pp.
Phys.Rev.D62:035007, 2000. e-Print: hep-ph/9912277
Nonunitarity of CKM matrix from the vector singlet quark mixing and neutron electric dipole moment.
Yi Liao (Tsinghua U., Beijing), Xiaoyuan Li (Beijing, Inst. Theor. Phys.). TUIMP-TH-00-121, AS-ITP-2000-005, May 2000. 4pp.
Phys.Lett.B503:301-306, 2001. e-Print: hep-ph/0005063
Higgs radiation off quarks in supersymmetric theories at e+ e- colliders.
S. Dittmaier (Bielefeld U.), M. Kramer (Edinburgh U.), Y. Liao (Tsinghua U., Beijing & DESY), M. Spira (Hamburg U.), P.M. Zerwas (DESY). DESY-99-177, BI-TP-99-27, EDINBURGH-2000-03, Feb 2000. 12pp.
Phys.Lett.B478:247-254, 2000. e-Print: hep-ph/0002035
Enhanced contribution to quark and neutron electric dipole moments with small mixing of right-handed currents and CKM CP violation.
Yi Liao (Tsinghua U., Beijing), Xiao-yuan Li (Beijing, Inst. Theor. Phys.). TUIMP-TH-99-107, AS-ITP-99-13, Jun 1999. 9pp.
Phys.Rev.D61:076002, 2000. e-Print: hep-ph/9906245
Vanishing contribution to quark electric dipole moment in the 2HD model with CKM CP violation.
Yi Liao (Tsinghua U., Beijing), Xiao-yuan Li (Beijing, Inst. Theor. Phys.). TUIMP-TH-99-104, AS-ITP-99-08, Feb 1999. 16pp.
Phys.Rev.D60:073004, 1999. e-Print: hep-ph/9902473
Higgs radiation off top quarks in e+ e- collisions.
S. Dittmaier (CERN), M. Kramer (Rutherford), Y. Liao (Tsinghua U., Beijing & DESY), M. Spira (Hamburg U.), P.M. Zerwas (DESY). CERN-TH-98-277, DESY-98-111, RAL-TR-1998-062, Aug 1998. 11pp.
Phys.Lett.B441:383-388, 1998. e-Print: hep-ph/9808433
Rare decay pi0 --> 4gamma in chiral perturbation theory.
Yi Liao (CCAST World Lab, Beijing & Tsinghua U., Beijing). 1998.
Phys.Rev.D57:1573-1576, 1998.
Production of neutral scalar Higgs bosons at e gamma colliders.
Yi Liao (CCAST World Lab, Beijing & Tsinghua U., Beijing), Wayne W. Repko (Michigan State U.). MSUHEP-70912, TUIMP-TH-97-89, Nov 1997. 12pp.
Phys.Rev.D57:6998-7005, 1998. e-Print: hep-ph/9711202
Consistent implementation of the background field method in the on-shell renormalization scheme of the electroweak theory.
Xiao-Yuan Li (Beijing, Inst. Theor. Phys.), Yi Liao (Tsinghua U., Beijing). 1995.
Phys.Lett.B356:68-73, 1995. e-Print: hep-ph/9409401
O (alpha**2 G(F)m(t)**2) contributions to H ---> gamma gamma.
Yi Liao (Tsinghua U., Beijing), Xiao-yuan Li (Beijing, Inst. Theor. Phys.). May 1996. 11pp.
Phys.Lett.B396:225-230, 1997. e-Print: hep-ph/9605310
Heavy fermion screening effects and gauge invariance.
Yi Liao (Tsinghua U., Beijing) , Yu-Ping Kuang (CCAST World Lab, Beijing & Tsinghua U., Beijing) , Chong-Sheng Li (CCAST World Lab, Beijing & Peking U.) . TUIMP-TH-95-74, Nov 1995. 7pp.
Phys.Rev.D54:3503-3505, 1996. e-Print: hep-ph/9511463
Axial vector couplings of the nucleon in chiral quark model incorporating U(1)-A anomaly effects.
Xiao Yuan Li (Beijing, Inst. Theor. Phys.) , Yi Liao (Tsinghua U., Beijing) . AS-ITP-95-32, Oct 1995. 11pp.
Phys.Lett.B379:219-224, 1996. e-Print: hep-ph/9510237
The Electroweak couplings of constituent quarks in nonlocal chiral quark model.
Xiao-yuan Li, Yi Liao (Beijing, Inst. Theor. Phys.) . AS-ITP-93-56A, Aug 1993. 16pp.
Phys.Lett.B318:537-543, 1993.
