Hal Tasaki

10.3k total citations · 4 hit papers
72 papers, 6.5k citations indexed

About

Hal Tasaki is a scholar working on Condensed Matter Physics, Atomic and Molecular Physics, and Optics and Statistical and Nonlinear Physics. According to data from OpenAlex, Hal Tasaki has authored 72 papers receiving a total of 6.5k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Condensed Matter Physics, 44 papers in Atomic and Molecular Physics, and Optics and 20 papers in Statistical and Nonlinear Physics. Recurrent topics in Hal Tasaki's work include Physics of Superconductivity and Magnetism (33 papers), Quantum many-body systems (23 papers) and Theoretical and Computational Physics (22 papers). Hal Tasaki is often cited by papers focused on Physics of Superconductivity and Magnetism (33 papers), Quantum many-body systems (23 papers) and Theoretical and Computational Physics (22 papers). Hal Tasaki collaborates with scholars based in Japan, United States and Czechia. Hal Tasaki's co-authors include Tom Kennedy, Élliott H. Lieb, Ian Affleck, T. A. B. Kennedy, Andreas Mielke, Shin‐ichi Sasa, Naoto Shiraishi, Keiji Saito, Hideki Takayasu and Ikuko Nishikawa and has published in prestigious journals such as Physical Review Letters, Physical review. B, Condensed matter and Journal of Physics Condensed Matter.

In The Last Decade

Hal Tasaki

72 papers receiving 6.3k citations

Hit Papers

Rigorous results on valence-bond ground states in antifer... 1987 2026 2000 2013 1987 1988 1992 1992 500 1000 1.5k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Rigorous results on valence-bond ground states in antiferromagnets
    1987 1.6k citations Tom Kennedy, Hal Tasaki et al. Physical Review Letters profile →
  2. Valence bond ground states in isotropic quantum antiferromagnets
    1988 1.0k citations Hal Tasaki et al. Communications in Mathematical Physics profile →
  3. Ferromagnetism in the Hubbard models with degenerate single-electron ground states
    1992 437 citations Hal Tasaki Physical Review Letters profile →
  4. HiddenZ2×Z2symmetry breaking in Haldane-gap antiferromagnets
    1992 346 citations Tom Kennedy, Hal Tasaki Physical review. B, Condensed matter profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Hal Tasaki Japan 30 4.7k 4.0k 1.1k 902 649 72 6.5k
J. T. Chalker United Kingdom 44 4.4k 0.9× 4.4k 1.1× 885 0.8× 1.2k 1.4× 560 0.9× 138 6.8k
S. L. Sondhi United States 46 6.5k 1.4× 5.0k 1.2× 958 0.8× 1.2k 1.4× 642 1.0× 134 8.4k
Claudio Chamon United States 50 6.9k 1.5× 3.8k 0.9× 887 0.8× 623 0.7× 713 1.1× 174 8.3k
Simon Trebst Germany 39 3.0k 0.6× 3.9k 1.0× 354 0.3× 1.4k 1.6× 379 0.6× 120 5.4k
Gerardo Ortíz United States 42 4.6k 1.0× 2.1k 0.5× 614 0.5× 386 0.4× 1.5k 2.3× 181 5.9k
Yasuhiro Hatsugai Japan 40 6.3k 1.3× 2.3k 0.6× 846 0.8× 531 0.6× 210 0.3× 212 6.9k
Zohar Nussinov United States 36 2.2k 0.5× 2.6k 0.7× 720 0.6× 852 0.9× 335 0.5× 126 4.6k
J. Oitmaa Australia 38 2.6k 0.5× 4.3k 1.1× 476 0.4× 1.1k 1.2× 112 0.2× 219 5.1k
Jan von Delft Germany 46 5.8k 1.2× 3.2k 0.8× 486 0.4× 600 0.7× 896 1.4× 177 6.7k
Steven H. Simon United States 46 8.0k 1.7× 4.3k 1.1× 295 0.3× 795 0.9× 1.0k 1.6× 192 10.2k

Countries citing papers authored by Hal Tasaki

Since Specialization
Citations

This map shows the geographic impact of Hal Tasaki's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Hal Tasaki with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Hal Tasaki more than expected).

Fields of papers citing papers by Hal Tasaki

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Hal Tasaki. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Hal Tasaki. The network helps show where Hal Tasaki may publish in the future.

Co-authorship network of co-authors of Hal Tasaki

This figure shows the co-authorship network connecting the top 25 collaborators of Hal Tasaki. A scholar is included among the top collaborators of Hal Tasaki based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Hal Tasaki. Hal Tasaki is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Tasaki, Hal. (2025). Ground State of the S=1 Antiferromagnetic Heisenberg Chain Is Topologically Nontrivial if Gapped. Physical Review Letters. 134(7). 76602–76602. 1 indexed citations
2.
Shiraishi, Naoto & Hal Tasaki. (2024). Nature Abhors a Vacuum: A Simple Rigorous Example of Thermalization in an Isolated Macroscopic Quantum System. Journal of Statistical Physics. 191(7). 4 indexed citations
3.
Tasaki, Hal. (2020). Hohenberg-Mermin-Wagner-Type Theorems for Equilibrium Models of Flocking. Physical Review Letters. 125(22). 220601–220601. 11 indexed citations
4.
Shiraishi, Naoto, Keiji Saito, & Hal Tasaki. (2016). Universal Trade-Off Relation between Power and Efficiency for Heat Engines. Physical Review Letters. 117(19). 190601–190601. 185 indexed citations
5.
Tasaki, Hal. (2016). Quantum Statistical Mechanical Derivation of the Second Law of Thermodynamics: A Hybrid Setting Approach. Physical Review Letters. 116(17). 170402–170402. 11 indexed citations
6.
Tasaki, Hal. (2013). Polar and Antiferromagnetic Order inf=1Boson Systems. Physical Review Letters. 110(23). 230402–230402. 7 indexed citations
7.
Goldstein, Sheldon, Takashi Hara, & Hal Tasaki. (2013). Time Scales in the Approach to Equilibrium of Macroscopic Quantum Systems. Physical Review Letters. 111(14). 140401–140401. 53 indexed citations
8.
Katsura, Hosho & Hal Tasaki. (2013). Ground States of the Spin-1 Bose-Hubbard Model. Physical Review Letters. 110(13). 130405–130405. 22 indexed citations
9.
Tasaki, Hal, et al.. (2011). Quantum Jarzynski-Sagawa-Ueda Relations. Journal of Statistical Physics. 143(1). 1–10. 61 indexed citations
10.
Komatsu, Teruhisa, Naoko Nakagawa, Shin‐ichi Sasa, & Hal Tasaki. (2008). Steady-State Thermodynamics for Heat Conduction: Microscopic Derivation. Physical Review Letters. 100(23). 230602–230602. 79 indexed citations
11.
Tanaka, Akinori & Hal Tasaki. (2007). Metallic Ferromagnetism in the Hubbard Model: A Rigorous Example. Physical Review Letters. 98(11). 116402–116402. 28 indexed citations
12.
Lefevere, R. & Hal Tasaki. (2005). High-Temperature Expansion for Nonequilibrium Steady States in Driven Lattice Gases. Physical Review Letters. 94(20). 200601–200601. 7 indexed citations
13.
Tasaki, Hal. (1998). The Hubbard model - an introduction and selected rigorous results. Journal of Physics Condensed Matter. 10(20). 4353–4378. 115 indexed citations
14.
Koma, Tohru & Hal Tasaki. (1995). ClassicalXYModel in 1.99 Dimensions [Phys. Rev. Lett. 74, 3916 (1995)]. Physical Review Letters. 75(5). 984–984. 2 indexed citations
15.
Tasaki, Hal. (1994). Stability of Ferromagnetism in the Hubbard Model. Physical Review Letters. 73(8). 1158–1161. 72 indexed citations
16.
Koma, Tohru & Hal Tasaki. (1993). Symmetry breaking and long range order in Heisenberg antiferromagnets. Physical Review Letters. 70(1). 93–95. 12 indexed citations
17.
Mielke, Andreas & Hal Tasaki. (1993). Ferromagnetism in the Hubbard model. Communications in Mathematical Physics. 158(2). 341–371. 295 indexed citations
18.
Kennedy, Tom & Hal Tasaki. (1992). HiddenZ2×Z2symmetry breaking in Haldane-gap antiferromagnets. Physical review. B, Condensed matter. 45(1). 304–307. 346 indexed citations breakdown →
19.
Tasaki, Hal. (1991). Quantum liquid in antiferromagnetic chains: A stochastic geometric approach to the Haldane gap. Physical Review Letters. 66(6). 798–801. 136 indexed citations
20.
Hara, Takashi & Hal Tasaki. (1987). A rigorous control of logarithmic corrections in four-dimensional ?4 spin systems. Journal of Statistical Physics. 47(1-2). 99–121. 26 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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