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Our Theoretical Condensed Matter Research Group is based at the Department of Physics and Astronomy at Iowa State University, and embedded in the lively condensed matter research environment of Iowa State University and Ames Laboratory

We investigate electronic properties of strongly correlated quantum materials with a focus on non-equilibrium dynamics. To address these questions, we employ a combination of analytical and numerical techniques from field-theory and statistical mechanics. Our research is often performed in collaboration with experimental colleagues. We also develop and implement quantum computing algorithms on NISQ devices to study properties of many-body models.


Research projects

Publications & Preprints


5. Victor Drouin-Touchette, Peter P. Orth, Piers Coleman, Premala Chandra, Tom C. Lubensky
Emergent Potts Order in a Coupled Hexatic-Nematic XY model
arXiv:2103.01878 (2021).

4. Niladri Gomes, Anirban Mukherjee, Feng Zhang, Thomas Iadecola, Cai-Zhuang Wang, Kai-Ming Ho, Peter P. Orth, Yong-Xin Yao
Adaptive Variational Quantum Imaginary Time Evolution Approach for Quantum Chemistry Calculations
arXiv:2102.01544 (2021).

3. Noah F. Berthusen, Yuriy Sizyuk, Mathias S. Scheurer, Peter P. Orth
Learning crystal field parameters using convolutional neural networks
arXiv:2011.12911 (2020).

2. Yong-Xin Yao, Niladri Gomes, Feng Zhang, Thomas Iadecola, Cai-Zhuang Wang, Kai-Ming Ho, Peter P. Orth
Adaptive Variational Quantum Dynamics Simulations
arXiv:2011.00622 (2020).

1. N. Sirica, P. P. Orth, M. S. Scheurer, Y.M. Dai, M.-C. Lee, P. Padmanabhan, L.T. Mix, L.X. Zhao, G.F. Chen, B. Xu, R. Yang, B. Shen, C.-C. Lee, H. Lin, T.A. Cochran, S.A. Trugman, J.-X. Zhu, M.Z. Hasan, N. Ni, X.G. Qiu, A.J. Taylor, D.A. Yarotski, R.P. Prasankumar
Photocurrent-driven transient symmetry breaking in the Weyl semimetal TaAs
arXiv:2005.10308 (2020).

Publications (until 4/8/2021)

48. Yongxin Yao, Feng Zhang, Cai-Zhuang Wang, Kai-Ming Ho, Peter P. Orth
Gutzwiller Hybrid Quantum-Classical Computing Approach for Correlated Materials
Phys. Rev. Research 3, 013184 (2021).

47. Kyungchan Lee, Gunnar F. Lange, Lin-Lin Wang, Brinda Kuthanazhi, Thais V. Trevisan, Na Hyun Jo, Benjamin Schrunk, Peter P. Orth, Robert-Jan Slager, Paul C. Canfield, Adam Kaminski
Discovery of a weak topological insulating state and van Hove singularity in triclinic RhBi2
Nat. Commun. 12, 1855 (2021). 

46. S. X. M. Riberolles, T. V. Trevisan, B. Kuthanazhi, T. W. Heitmann, F. Ye, D. C. Johnston, S. L. Bud'ko, D. H. Ryan, P. C. Canfield, A. Kreyssig, A. Vishwanath, R. J. McQueeney, L. L. Wang, P. P. Orth, B. G. Ueland
Magnetic crystalline-symmetry-protected axion electrodynamics and field-tunable unpinned Dirac cones in EuIn2As
Nat. Commun. 12, 999 (2021).