Teaching

I teach physics courses at Northeastern University, including:

Vita

Positions Held

  • Assistant Professor, Northeastern University, from September 2015.
  • Postdoctoral Fellow, Kavli Institute for Theoretical Physics, 2012-2015.

Education

  • Ph.D. Physics, University of Pennsylvania, May 2012, advised by Professor Mirjam Cvetic.
  • B.S. Physics, Mathematics, University of Virginia, May 2007, with highest distinction.

Awards and Honors

  • Graduate Fellowship in High Energy Theory, United States Department of Energy, 2011-2012.
  • Graduate Fellowship, String Vacuum Project (SVP) of the National Science Foundation, 2009-2011.
  • Chair’s Teaching Award, University of Pennsylvania, September 2008.

Publication List

My papers in high energy physics and mathematics can be found on inSPIRE, including journal information.

Invited Conference Talks and Colloquia

  • At the Crossroads of Machine Learning and Physics,
    Kavli Institute for Theoretical Physics, February 2019.
    TBA.

  • Simons Summer Workshop,
    Simons Center for Geometry and Physics, August 2018.
    de Sitter Vacua and Computational Complexity.

  • String Theory Challenges in Particle Physics and Cosmology,
    University of Bonn, July 2018.
    Geometries, Agents, and Remnants.

  • Machine Learning and Physics,
    Tsinghua University, July 2018.
    Reinforcement Learning and the String Landscape.

  • String Phenomenology 2018,
    Warsaw, July 2018.
    String Theory and Data Science.

  • Strings 2018,
    Okinawa, June 2018.
    String Theory and Data Science.

  • Machine Learning in Geometry and Physics,
    Yau Mathematical Science Center, TSIMF Sanya, June 2018.
    On Finding Small Cosmological Constants with Deep Reinforcement Learning.

  • Strings, Geometry, and Black Holes,
    King’s College London, April 2018.
    Deep Reinforcement Learning and the Boundary of Weak Coupling.

  • Workshop on Data Science and String Theory,
    LMU Munich, March 2018, with Fabian Ruehle.
    Machine Learning Tools for String Theory

  • Workshop on Data Science and String Theory,
    LMU Munich, March 2018.
    Anomaly Detection: Mapping the IIB Lamppost with Reinforcement Learning.

  • Physics and Geometry of F-theory,
    IFT-Madrid, March 2018.
    A Large Ensemble of F-theory Geometries: the Weak, the Strong, and the Non-Higgsable

  • Workshop on String Field Theory and String Phenomenology
    Harish-Chandra Research Institute, February 2018.
    Big Data and the Landscape: A Case Study in F-theory.

  • String Phenomenology 2017
    Virginia Tech, July 2017.
    Universality in a Large Ensemble of Geometries.

  • Theoretical Advanced Studies Institute (TASI)
    University of Colorado, Boulder, June 2017.
    String Remnants 2.

  • Theoretical Advanced Studies Institute (TASI)
    University of Colorado, Boulder, June 2017.
    String Remnants 1.

  • International Conference on the Interconnection between Particle Physics and Cosmology,
    Texas A&M, Corpus Christi, May 2017.
    GUTs, Remnants, and the String Landscape.

  • Superconformal Field Theories in Four or More Dimensions,
    Aspen Center for Physics, March 2017.
    Dualities of Deformed N=2 SCFTs from Link Monodromy on D3-brane States.

  • Physics and Geometry of F-theory 2017
    International Centre for Theoretical Physics, Trieste, February 2017.
    Dualities from Braids and Landscapes from Trees.

  • The Mathematics and Physics of F-theory,
    Virginia Tech, October 2016.
    Dualities of Deformed N=2 SCFTs from Link Monodromy on D3-brane States.

  • Simons Collaboration on Special Holonomy in Geometry, Analysis, and Physics,
    Background Lecture, Simons Center for Geometry and Physics, September 2016.
    Gauge Enhancement in M-theory on G2 Spaces.

  • Simons Collaboration on Special Holonomy in Geometry, Analysis, and Physics,
    Background Lecture, Simons Center for Geometry and Physics, September 2016.
    More on Gauge Enhancement in M-theory on Calabi-Yau Varieties.

  • Geometry and Topology of Particle Physics,
    The Fields Institute, Toronto, August 2016.
    D3-brane SCFTs from N=2 Deformations, String Junctions, and Knots.

  • The Amsterdam String Workshop
    University of Amsterdam, July 2016.
    Non-Higgsable Clusters and Symmetry in the Landscape.

  • Special Holonomy Geometry, Mirror, and Supersymmetry,
    National Science Foundation FRG Workshop, Harvard University, May 2016.
    Gauge Enhancement and Landscapes in G2 Compactifications of M-theory.

  • F-theory at 20,
    Walter Burke Institute, CalTech, February 2016.
    Strong coupling and geometrically non-Higgsable seven-branes.

  • String-Pheno-Cosmo 2015,
    Galileo Galilei Institute, October 2015.
    The Complex Structure of the F-theory Landscape.

  • String Phenomenology 2015,
    University of Madrid, June 2015.
    Gauge Enhancement and Landscapes in G2 Compactifications of M-theory.

  • Stratified Spaces in Geometric and Computational Topology and Physics,
    the University of Wisconsin, Madison, April 2015.
    Kodaira’s Alternative to Grand Unification.

  • String / M-Theory Compactifications and Moduli Stabilization,
    University of Michigan, March 2015.
    Symmetry in the Landscape, Non-Higgsable Clusters, and the Standard Model.

  • Physics and Geometry of F-theory,
    MPI Munich, February 2015.
    Symmetry in the Strongly Coupled Landscape.

  • Physics Colloquium,
    Northeastern University, February 2015.
    Formal Theory and its Applications to the Standard Model and Beyond.

  • Physics Colloquium,
    Baylor University, January 2015.
    Setting Sail in the String Landscape.

  • Hidden Sector Dark Matter,
    Michigan Center for Theoretical Physics, November 2014.
    Hidden and Visible Sectors from Non-Higgsable Clusters.

  • Model Building in the LHC Era,
    Aspen Center for Physics, July 2014.
    Theoretically Motivated Electroweak Exotics in String Theory.

  • Geometry and Physics of F-theory,
    Heidelberg University, February 2014.
    Non-Abelian Gauge Symmetry and the Higgs Mechanism in F-theory.

  • APS Divisional Meeting,
    UC Santa Cruz, August 2013.
    New Motivation for WIMP Dark Matter.

  • Simons Summer Workshop,
    Simons Center for Geometry and Physics, July 2013.
    Matter in F-theory from Singular Elliptic Fibrations.

  • String Phenomenology 2011,
    the University of Wisconsin, Madison, August 2011.
    Instantons in F-theory from Heterotic Duality.

  • String Vacuum Project Meeting,
    University of Pennsylvania, May 2011.
    Three Looks at Instantons in F-theory.

  • String Vacuum Project Meeting,
    Ohio State University, November 2014.
    Approaching the Landscape: Computability of IIB / F-theory Instantons and Insights from MSSM-containing quivers.

  • String Vacuum Project Meeting,
    Kavli Institute for Theoretical Physics, May 2010.
    Instanton Effects in Semi-Realistic MSSM Quivers and F-theory.

Workshop and Conference Organization

  • String Phenomenology 2020,
    Northeastern University, 2020.
    member of the organizing committee.

  • String Theory and the Hidden Universe,
    Aspen Center for Physics, 2019.
    member of the organizing committee.

  • PASCOS 2018,
    Case Western Reserve University, June 2018.
    convener of session on “Unification and String Theory.”

  • Workshop on Data Science and String Theory,
    Northeastern University, November 2017.
    member of the organizing committee.

  • Workshop on String/M-theory Compactifications and Particle Physics,
    Michigan Center for Theoretical Physics, March 2015.
    member of the organizing committee.

  • String Vacuum Project Spring Meeting,
    University of Pennsylvania, May 2011.
    co-organizer.

University Seminars and Submitted Talks

  • October 2018, Syracuse University.
  • October 2018, UC Irvine.
  • October 2018, University of Illinois.
  • September 2018, Boston University.
  • May 2018, Stanford Linear Accelerator (SLAC).
  • March 2018, University of Oxford.
  • October 2016, Virginia Tech.
  • April 2016, Northeastern University, Mathematics.
  • February 2016, Yale University.
  • December 2015, Northeastern University, Mathematics.
  • December 2015, Texas A&M.
  • September 2015, MIT.
  • April 2015, University of Wisconsin, Madison.
  • January 2015, UC Santa Barbara.
  • December 2014, California Institute of Technology.
  • September 2014, Cornell University.
  • May 2014, Harvard University.
  • April 2014, McGill University.
  • April 2014, MIT.
  • April 2014, Brandeis University.
  • November 2013, University of Pennsylvania.
  • November 2013, University of Southern California.
  • October 2013, UC Santa Barbara Math/Physics.
  • March 2013, University of Michigan.
  • November 2012, University of Southern California.
  • October 2012, Kavli Institute for Theoretical Physics.
  • Summer 2012, String Phenomenology.
  • March 2012, Cornell University.
  • December 2011, University of Chicago.
  • December 2011, Kavli Institute for Theoretical Physics.
  • November 2011, Princeton University.
  • November 2011, University of Wisconsin, Madison.
  • Summer 2011, SUSY, String Math.
  • April 2011, University of Chicago.
  • February 2011, MIT.

Conference and Workshop Participation

  • Geometry and Physics of F-theory, January 2018, Banff Interntional Research Station.
  • Special Holonomy: Progress and Open Problems 2017, Simons Center for Geometry and Physics.
  • $G_2$ Holonomy Working Group, Aspen Center for Physics, August 2017.
  • The Many Faces of Naturalness, Aspen Center for Physics, Summer 2016.
  • F-theory at the Interface of Particle Physics and Mathematics, Aspen Center for Physics, Summer 2015.
  • Simons Summer Workshop, Simons Center for Geometry and Physics, Summer 2014.

Service, Outreach, and Miscellaneous

  • Referee: for the Canadian Journal of Physics, JHEP, and Physics Letters B.
  • Seminar Organizer: for the UC Santa Barbara HEP Theory group and the KITP locals lunch.
  • Substitute Lecturer: in Quantum Field Theory, E&M, General Relativity, and ``Physics for Poets.”
  • Youth Outreach: as a part of KITP’s outreach efforts, I gave lectures at Santa Barbara area high schools.
  • Computer Skills: C, Java, Python, HTML, CSS, and Sage.

References

  • Professor Mirjam Cvetic, University of Pennsylvania
  • Professor Antonella Grassi, University of Pennsylvania
  • Professor Joseph Polchinski, Kavli Institute for Theoretical Physics
  • Professor David R. Morrison, UC Santa Barbara
  • Professor Paul Langacker, Institute for Advanced Study
  • Professor Washington Taylor, Massachusetts Institute of Technology.

Contact

James Halverson

## Publications

Non-simply-laced Symmetry Algebras in F-theory on Singular Spaces
Antonella Grassi, James Halverson, Cody Long, Julius L. Shaneson, and Jiahua Tian
arXiv: 1805.06949.

Dark Glueballs and their Ultralight Axions
James Halverson, Brent D. Nelson, Gustavo Salinas, and Fabian Ruehle
arXiv: 1805.06011.

Infinitely Many M2-instanton Corrections to M-theory on $G_2$-manifolds
Andreas P. Braun, Michele Del Zotto, James Halverson, Magdalena Larfors, David R. Morrison, and Sakura Schäfer-Nameki
arXiv: 1803.02343.

TASI Lectures on Remnants from the String Landscape
James Halverson and Paul Langacker
arXiv: 1801.03503.

Vacuum Selection from Cosmology on Networks of String Geometries
Jonathan Carifio, William J. Cunningham, James Halverson, Dmitri Krioukov, Cody Long, and Brent D. Nelson
arXiv: 1711.06685.

On the Scarcity of Weak Coupling in the String Landscape
James Halverson, Cody Long, and Benjamin Sung
JHEP 02 2018. arXiv: 1710.09374.

Machine Learning in the String Landscape
Jonathan Carifio, James Halverson, Dmitri Krioukov, and Brent D. Nelson
JHEP 09 2017. arXiv: 1707.00655.

Algorithmic universality in F-theory compactifications
James Halverson, Cody Long, and Benjamin Sung
Phys. Rev. D96 2017. arXiv: 1706.02299.

Exact Geodesic Distances in FLRW Spacetimes
William Cunningham, David Rideout, James Halverson, and Dmitri Krioukov
Phys. Rev. D96 2017. arXiv: 1705.00730.

Ultralight axion in supersymmetry and strings and cosmology at small scales
James Halverson, Cody Long, and Pran Nath
Phys. Rev. D96 2017. arXiv: 1703.07779.

Dualities of deformed $ \mathcalN=2 $ SCFTs from link monodromy on D3-brane states
Antonella Grassi, James Halverson, Fabian Ruehle, and Julius L. Shaneson
JHEP 09 2017. arXiv: 1611.01154.

Cost of seven-brane gauge symmetry in a quadrillion F-theory compactifications
James Halverson and Jiahua Tian
Phys. Rev. D95 2017. arXiv: 1610.08864.

String Theory and the Dark Glueball Problem
James Halverson, Brent D. Nelson, and Fabian Ruehle
Phys. Rev. D95 2017. arXiv: 1609.02151.

Strong Coupling in F-theory and Geometrically Non-Higgsable Seven-branes
James Halverson
Nucl. Phys. B919 2017. arXiv: 1603.01639.

String Consistency, Heavy Exotics, and the 750 GeV Diphoton Excess at the LHC: Addendum
Mirjam Cvetic, James Halverson, and Paul Langacker
arXiv: 1602.06257.

String Consistency, Heavy Exotics, and the $750$ GeV Diphoton Excess at the LHC
Mirjam Cvetič, James Halverson, and Paul Langacker
Fortsch. Phys. 64 2016. arXiv: 1512.07622.

On gauge enhancement and singular limits in G$_2$ compactifications of M-theory
James Halverson and David R. Morrison
JHEP 04 2016. arXiv: 1507.05965.

$ \mathrm\mathbbP^1 $-bundle bases and the prevalence of non-Higgsable structure in 4D F-theory models
James Halverson and Washington Taylor
JHEP 09 2015. arXiv: 1506.03204.

The landscape of M-theory compactifications on seven-manifolds with G$_2$ holonomy
James Halverson and David R. Morrison
JHEP 04 2015. arXiv: 1412.4123.

Geometry and Topology of String Junctions
Antonella Grassi, James Halverson, and Julius L. Shaneson
arXiv: 1410.6817.

Non-Higgsable QCD and the Standard Model Spectrum in F-theory
Antonella Grassi, James Halverson, Julius Shaneson, and Washington Taylor
JHEP 01 2015. arXiv: 1409.8295.

On finiteness of Type IIB compactifications: Magnetized branes on elliptic Calabi-Yau threefolds
Mirjam Cvetič, James Halverson, Denis Klevers, and Peng Song
JHEP 06 2014. arXiv: 1403.4943.

Vectorlike Leptons as the Tip of the Dark Matter Iceberg
James Halverson, Nicholas Orlofsky, and Aaron Pierce
Phys. Rev. D90 2014. arXiv: 1403.1592.

Non-Abelian Gauge Symmetry and the Higgs Mechanism in F-theory
Antonella Grassi, James Halverson, and Julius L. Shaneson
Commun. Math. Phys. 336 2015. arXiv: 1402.5962.

Anomaly Nucleation Constrains SU(2) Gauge Theories
James Halverson
Phys. Rev. Lett. 111 2013. arXiv: 1310.1091.

Perturbative Corrections to Kaehler Moduli Spaces
James Halverson, Hans Jockers, Joshua M. Lapan, and David R. Morrison
Commun. Math. Phys. 333 2015. arXiv: 1308.2157.

Matter From Geometry Without Resolution
Antonella Grassi, James Halverson, and Julius L. Shaneson
JHEP 10 2013. arXiv: 1306.1832.

New Methods for Characterizing Phases of 2D Supersymmetric Gauge Theories
James Halverson, Vijay Kumar, and David R. Morrison
JHEP 09 2013. arXiv: 1305.3278.

Stringy Hidden Valleys
Mirjam Cvetic, James Halverson, and Hernan Piragua
JHEP 02 2013. arXiv: 1210.5245.

On Seven-Brane Dependent Instanton Prefactors in F-theory
Mirjam Cvetic, Ron Donagi, James Halverson, and Joseph Marsano
JHEP 11 2012. arXiv: 1209.4906.

Ultraviolet Completions of Axigluon Models and Their Phenomenological Consequences
Mirjam Cvetic, James Halverson, and Paul Langacker
JHEP 11 2012. arXiv: 1209.2741.

Implications of String Constraints for Exotic Matter and Z’ s Beyond the Standard Model
Mirjam Cvetic, James Halverson, and Paul Langacker
JHEP 11 2011. arXiv: 1108.5187.

Three Looks at Instantons in F-theory – New Insights from Anomaly Inflow, String Junctions and Heterotic Duality
Mirjam Cvetic, Inaki Garcia Etxebarria, and James Halverson
JHEP 11 2011. arXiv: 1107.2388.

TASI Lectures: Particle Physics from Perturbative and Non-perturbative Effects in D-braneworlds
Mirjam Cvetic and James Halverson
arXiv: 1101.2907.

On the computation of non-perturbative effective potentials in the string theory landscape: IIB/F-theory perspective
Mirjam Cvetic, Inaki Garcia-Etxebarria, and James Halverson
Fortsch. Phys. 59 2011. arXiv: 1009.5386.

Singlet Extensions of the MSSM in the Quiver Landscape
Mirjam Cvetic, James Halverson, and Paul Langacker
JHEP 09 2010. arXiv: 1006.3341.

Global F-theory Models: Instantons and Gauge Dynamics
Mirjam Cvetic, Inaki Garcia-Etxebarria, and James Halverson
JHEP 01 2011. arXiv: 1003.5337.

The Weinberg Operator and a Lower String Scale in Orientifold Compactifications
Mirjam Cvetic, James Halverson, Paul Langacker, and Robert Richter
JHEP 10 2010. arXiv: 1001.3148.

Mass Hierarchies versus proton Decay in MSSM Orientifold Compactifications
Mirjam Cvetic, James Halverson, and Robert Richter
arXiv: 0910.2239.

Mass Hierarchies from MSSM Orientifold Compactifications
Mirjam Cvetic, James Halverson, and Robert Richter
JHEP 07 2010. arXiv: 0909.4292.

Realistic Yukawa structures from orientifold compactifications
Mirjam Cvetic, James Halverson, and Robert Richter
JHEP 12 2009. arXiv: 0905.3379.

Charge frustration and quantum criticality for strongly correlated fermions
Liza Huijse, James Halverson, Paul Fendley, and Kareljan Schoutens
Phys. Rev. Lett. 101 2008. arXiv: 0804.0174.