John Tranquada

Pronouns: he, him, who?

Expertise | Research | Education | Appointments | Publications | Highlights | Awards

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Expertise

Neutron scattering, high-temperature superconductors, charge and spin orders, spin dynamics

Research Activities

Cuprate superconductors: stripe orders, spin dynamics, lattice dynamics

Iron-based superconductors: Fe(Te,Se) spin dynamics

Potential topological superconductors: (Pb,Sn,In)Te

Van der Waals magnets and Weyl semimetals

Education

B.A., cum laude, in Physics, Pomona College, 1977

Ph.D. in Physics, University of Washington, 1983

Professional Appointments

1983-1986:         Postdoctoral Research Associate, North Carolina State University and Brookhaven National Laboratory

1986-1988:         Assistant Physicist, Brookhaven National Laboratory

1988-1990:         Associate Physicist, Brookhaven National Laboratory

1990-2000:         Physicist, Brookhaven National Laboratory (with tenure since 1992)

1998-present:      Leader of Neutron Scattering Group, Brookhaven National Laboratory

2000-present:      Senior Physicist, Brookhaven National Laboratory

2009-present:      Adjunct Professor, Dept. of Materials Science & Engineering, Stony Brook University

2015-2016:         Interim Group Leader for X-ray Scattering, Brookhaven National Laboratory

Selected Publications

• Lozano PM, Gu GD, Tranquada JM, Li Q (2021) Experimental evidence that zinc impurities pin pair-density-wave order in La2−xBaxCuO4. Physical Review B. doi: 10.1103/physrevb.103.l020502
• Tranquada JM, Xu G, Zaliznyak IA (2020) Magnetism and superconductivity in Fe1+y?Te1−x Se x. Journal of Physics: Condensed Matter 32:374003. doi: 10.1088/1361-648x/ab3b3b
• Sapkota A, Li Y, Winn BL, Podlesnyak A, Xu G, Xu Z, Ran K, Chen T, Sun J, Wen J, Wu L, Yang J, Li Q, Gu GD, Tranquada JM (2020) Electron-phonon coupling and superconductivity in the doped topological crystalline insulator (Pb0.5Sn0.5)1−xInxTe. Physical Review B. doi: 10.1103/physrevb.102.104511
• Nambu Y, Barker J, Okino Y, Kikkawa T, Shiomi Y, Enderle M, Weber T, Winn B, Graves-Brook M, Tranquada JM, Ziman T, Fujita M, Bauer GEW, Saitoh E, Kakurai K (2020) Observation of Magnon Polarization. Physical Review Letters. doi: 10.1103/physrevlett.125.027201
• Sapkota A, Classen L, Stone MB, Savici AT, Garlea VO, Wang A, Tranquada JM, Petrovic C, Zaliznyak IA (2020) Signatures of coupling between spin waves and Dirac fermions in YbMnBi2. Physical Review B. doi: 10.1103/physrevb.101.041111
• Merritt AM, Reznik D, Garlea VO, Gu GD, Tranquada JM (2019) Nature and impact of stripe freezing in La1.67Sr0.33NiO4. Physical Review B. doi: 10.1103/physrevb.100.195122
• Li Y, Wang Q, DeBeer-Schmitt L, Guguchia Z, Desautels RD, Yin J-X, Du Q, Ren W, Zhao X, Zhang Z, Zaliznyak IA, Petrovic C, Yin W, Hasan MZ, Lei H, Tranquada JM (2019) Magnetic-Field Control of Topological Electronic Response near Room Temperature in Correlated Kagome Magnets. Physical Review Letters. doi: 10.1103/physrevlett.123.196604
• Li Y, Terzic J, Baity PG, Popovic D, Gu GD, Li Q, Tsvelik AM, Tranquada JM (2019) Tuning from failed superconductor to failed insulator with magnetic field. Science Advances 5:eaav7686. doi: 10.1126/sciadv.aav7686
• Chen XM, Mazzoli C, Cao Y, Thampy V, Barbour AM, Hu W, Lu M, Assefa TA, Miao H, Fabbris G, Gu GD, Tranquada JM, Dean MPM, Wilkins SB, Robinson IK (2019) Charge density wave memory in a cuprate superconductor. Nature Communications. doi: 10.1038/s41467-019-09433-1
• Schneeloch JA, Zhong R, Stone MB, Zaliznyak IA, Gu GD, Xu G, Tranquada JM (2019) Gapless spin excitations in superconducting La2−xCa1+xCu2O6 with Tc up to 55 K. Physical Review B. doi: 10.1103/physrevb.99.174515
• Li Y, Zhong R, Stone MB, Kolesnikov AI, Gu GD, Zaliznyak IA, Tranquada JM (2018) Low-energy antiferromagnetic spin fluctuations limit the coherent superconducting gap in cuprates. Physical Review B. doi: 10.1103/physrevb.98.224508
• Fradkin E, Kivelson SA, Tranquada JM (2015) Colloquium: Theory of intertwined orders in high temperature superconductors. Reviews of Modern Physics 87:457–482. doi: 10.1103/revmodphys.87.457

Research Highlights

Electron (or 'Hole') Pairs May Survive Effort to Kill Superconductivity

Surprising Stripes in a "Bad Metal" Offer Clues to High-Temperature Superconductivity

New Evidence to Aid Search for Charge 'Stripes' in Superconductors

Awards & Recognition

Phi Beta Kappa, 1977;   ARCS Foundation Dissertation Fellowship, 1981-82

DOE Award for Outstanding Scientific Accomplishment in Solid State Physics, 1988

BNL R&D Award, 1997

Sustained Research Prize of the Neutron Scattering Society of America, 2006

American Physical Society Outstanding Referee, 2009

Heike Kamerlingh Onnes Prize for superconductivity experiments, 2009

American Physical Society, Fellow (1997)

American Association for the Advancement of Science, Fellow (2006)

Neutron Scattering Society of America, Fellow (2007)

National Academy of Sciences, Member (2023)