pith. sign in

arxiv: 2606.29249 · v1 · pith:OAI3CSRTnew · submitted 2026-06-28 · ❄️ cond-mat.supr-con · cond-mat.str-el

40 years of cuprate high-Tc superconductors: a perspective on theories

Pith reviewed 2026-06-30 02:15 UTC · model grok-4.3

classification ❄️ cond-mat.supr-con cond-mat.str-el
keywords high-Tc cupratessuperconductivity mechanismrepulsive interactionsAnderson dogmassuper-exchangetheoretical perspectivescuprate superconductors
0
0 comments X

The pith

Superconductivity in cuprates can arise from repulsive interactions between electrons.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

This review surveys theoretical ideas for the mechanism of high-temperature superconductivity in cuprate materials after four decades of research. It argues that the notion of superconductivity emerging from repulsive electron interactions has gained traction since a 2015 consensus paper. Three primary schools of thought are outlined, a 2022 experimental finding on the super-exchange mechanism is highlighted, and an updated list of Anderson's dogmas based on post-2000 experimental facts is provided. These elements aim to distill the key constraints that any successful theory must satisfy.

Core claim

The paper presents the view that superconductivity from repulsive interactions is the leading idea, supported by three schools of thought, confirmation via 2022 experiment of Anderson's super-exchange, and an updated set of universal experimental facts known as Anderson's dogmas.

What carries the argument

Anderson's dogmas, which are universal facts distilled from experiments, together with the three schools of thought on how repulsive interactions produce superconductivity.

Load-bearing premise

The author's selection of three schools of thought, the 2022 result, and the post-2000 facts used to update the dogmas list provide a representative and unbiased account of the theoretical situation.

What would settle it

An experiment showing that cuprate superconductivity requires net attractive interactions or directly contradicting one of the updated dogmas would falsify the perspective.

Figures

Figures reproduced from arXiv: 2606.29249 by Navinder Singh Bathinda.

Figure 1
Figure 1. Figure 1: FIG. 1. Lev Landua and Isaak Pomeranchuk. [PITH_FULL_IMAGE:figures/full_fig_p001_1.png] view at source ↗
Figure 2
Figure 2. Figure 2: FIG. 2. Schematic interaction between two helium atoms. [PITH_FULL_IMAGE:figures/full_fig_p002_2.png] view at source ↗
Figure 3
Figure 3. Figure 3: FIG. 3. Harder tunneling if the height of the apical oxygen [PITH_FULL_IMAGE:figures/full_fig_p005_3.png] view at source ↗
Figure 4
Figure 4. Figure 4: FIG. 4. Schematic plot showing that the superconducting [PITH_FULL_IMAGE:figures/full_fig_p008_4.png] view at source ↗
read the original abstract

An attempt is made to give a brief but coherent account of the situation of the theoretical ideas in addressing the mechanism of superconductivity in cuprate high-Tc superconductors. Specifically, the idea of superconductivity from repulsive interactions is discussed as it is gaining ground since the `consensus' paper was written in 2015\cite{kei}. The challenges it faces is also discussed. Three main schools of thought are presented, and an experimental result of 2022 pertaining to Anderson's super-exchange mechanism is also discussed. An updated list of Anderson's ``dogmas" is also presented, as after year 2000, many other universally applicable experimental facts has been discovered. The ``dogmas" are universal facts which are distilled from a variety of complex experimental results, and highlights the key findings that seems to be central to the mechanism of superconductivity in cuprates. These are discussed as a commemoration of 40 years of high-Tc cuprate research.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

0 major / 2 minor

Summary. The manuscript is a perspective commemorating 40 years of cuprate high-Tc research. It offers a coherent interpretive account of theoretical ideas on the superconductivity mechanism, arguing that superconductivity from repulsive interactions has gained ground since the 2015 consensus paper, while discussing challenges. It presents three main schools of thought, a 2022 experimental result on Anderson's super-exchange mechanism, and an updated list of Anderson's 'dogmas' distilled from post-2000 experimental facts.

Significance. As a perspective, the synthesis of schools, the 2022 result, and the updated dogmas list could help frame ongoing debates for the community if the selection accurately reflects the author's distillation of key facts. The paper introduces no new derivations, data, or quantitative predictions, so its value lies in interpretive synthesis rather than novel claims. Credit is given for the explicit attempt to update Anderson's dogmas from recent universal experimental facts within the perspective format.

minor comments (2)
  1. The abstract and main text would benefit from explicit subsection headings or numbered lists when presenting the three schools of thought and the updated dogmas to improve readability and allow readers to cross-reference specific points.
  2. The citation to the 2015 consensus paper (\cite{kei}) should include the full bibliographic entry in the reference list, and any additional citations to the 2022 result or post-2000 facts should be checked for completeness.

Simulated Author's Rebuttal

0 responses · 0 unresolved

We thank the referee for their positive assessment of our perspective manuscript and the recommendation for minor revision. No specific major comments were raised in the report.

Circularity Check

0 steps flagged

No significant circularity

full rationale

The paper is a perspective article that summarizes existing theoretical ideas on cuprate high-Tc superconductivity, citing external works such as the 2015 consensus paper and a 2022 experimental result while presenting three schools of thought and an updated list of Anderson's dogmas distilled from post-2000 facts. It contains no original equations, derivations, quantitative predictions, or fitted parameters. All content relies on external citations without load-bearing self-citations or self-referential reductions, making the account self-contained as an interpretive overview rather than a derivation chain.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

This is a review paper; no free parameters, axioms, or invented entities are introduced by the authors.

pith-pipeline@v0.9.1-grok · 5691 in / 1077 out tokens · 36945 ms · 2026-06-30T02:15:47.585999+00:00 · methodology

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.

Reference graph

Works this paper leans on

49 extracted references · 6 canonical work pages · 1 internal anchor

  1. [1]

    The Pitaevskii-Brueckner mechanism (known as superconductivity from repulsion in the contempo- rary literature)

  2. [2]

    40 years of cuprate high-Tc superconductors: a perspective on theories

    The dynamical screening by a slow bosonic mode (like phonons in the case of BCS superconductors). The first idea from the list above, which is con- nected with on superconductivity from repulsion and pairing in higher momentum channels, has gained sig- nificant ground since the ’consensus’ article was written in 2015[1]. The question is whethersuperconduc...

  3. [3]

    exists is of lesser interest

    Is it necessary for superconductivity to happen that a physical mechanism of attractive interaction be present? Such as the requirement of the Pomer- anchuk argument in the case of 3He that, at larger interatomic distances (higher angular momentum channels), a weak attraction emerges. And for elec- trons in systems having sharp Fermi surface, the Kohn-Lut...

  4. [4]

    When magnetism is weakened by doping/pressure etc, it gives a way to unconven- tional superconductivity (USC)

    All these unconventional superconductors (CupSSs, IBSCs, HFSCs, OSCs, etc) are near to some sort of magnetic phase. When magnetism is weakened by doping/pressure etc, it gives a way to unconven- tional superconductivity (USC)

  5. [5]

    place” or “role

    The pseudogap in cuprates has the same “place” or “role” as that of a magnetic state (AFM, SDW etc) in HFSCs, IBSCs etc

  6. [6]

    d−wavefor CupScs

    Pairing is in the higher momentum states: S±for IBSCs. d−wavefor CupScs. d−wavefor OSCs. d−wavein many HFSCs. p−waveinSr 2RuO4,U Ge 2,U Be 13. f−waveinU P t 3 etc

  7. [7]

    the elephant foot

    DC resistivity above the dome is not phonon medi- ated. The arguments in the favor of an overarching theory are quite strong, however, system-to-system variations would matter. It is difficult to understand that Ander- son’s super-exchange idea can form a common thread. Or, the mechanism of superconductivity in these systems should be understood case by c...

  8. [8]

    dogmas” (from (5) to (11)) is the following. The recognition that the ground state is a Fermi liquid (“dogma

    proposed that underdoped cuprates comprise two distinct, interacting components: The Spin Liquid (SL) Component: (1) A 2D Heisenberg system of quasi-localized copper spins, and (2) mobile holes on the oxygen sub-lattice, which disrupt and weaken the nearest-neighbor cop- per superexchange coupling, leading to a doping- dependent effective exchange interac...

  9. [9]

    Keimer, S

    B. Keimer, S. A. Kivelson, M. R. Norman, S. Uchida, and J. Zaanen, From quantum matter to high-temperature superconductivity in copper oxides, Nature518, 179 (2015)

  10. [10]

    Navinder Singh, Leading theories of the cuprate super- conductivity: A critique, Physica C580, 1353782 (2021)

  11. [11]

    P. W. Anderson, Is there glue in cuprate superconduc- tors?, Science,316, 1705-1707 (2007)

  12. [12]

    L. P. Pitaevskii, On the superfluidity of liquid 3He, Sov. Phys. JETP,37 (10), No. 6, 1267 (1960)

  13. [13]

    Tony Guenault, Basic superfluids, Taylor and Francis (2003)

  14. [14]

    Vollhardt and P

    D. Vollhardt and P. Woelfle, The superfluid phases of Helium 3, Taylor and Francis (1990)

  15. [15]

    Leggett, Nobel Lecture: Superfluid 3He: the early days as seen by a theorist, Rev

    Anthony J. Leggett, Nobel Lecture: Superfluid 3He: the early days as seen by a theorist, Rev. Mod. Phys.76, 999 (2004)

  16. [16]

    Kohn and J

    W. Kohn and J. M. Luttinger, New mechanism for su- perconductivity, Phys. Rev. Lett.15, 524 (1965)

  17. [17]

    Layzer, and D

    A. Layzer, and D. Fay, Int. J. Magn.1, 135 (1971)

  18. [18]

    D. J. Scalapino, A common thread: the pairing inter- action for unconventional superconductors, Rev. Mod. Phys.84, 1383 (2012)

  19. [19]

    M. A. Metlitski and S. Sachdev, Quantum phase transi- tions of metals in two spatial dimensions. I. Ising-nematic order, Phys. Rev. B82, 075127 (2010)

  20. [20]

    M. A. Metlitski and S. Sachdev, Quantum phase transi- tions of metals in two spatial dimensions. II. Spin density wave order, Phys. Rev. B82, 075128 (2010)

  21. [21]

    A. V. Chubukov and J. Schmalian, Superconductivity due to massless boson exchange in the strong-coupling limit, Phys. Rev. B72, 174520 (2005)

  22. [22]

    M. A. Metlitski, D. F. Mross, S. Sachdev, and T. Senthil, Cooper pairing in non-Fermi liquids, Phys. Rev. B91, 115111 (2015)

  23. [23]

    X. Wang, Y. Schattner, E. Berg, and R. M. Fernandes, 10 Superconductivity mediated by quantum critical antifer- romagnetic fluctuations: The rise and fall of hot spots, Phys. Rev. B95, 174520 (2017)

  24. [24]

    Lederer, Y

    S. Lederer, Y. Schattner, E. Berg, and S. A. Kivelson, Superconductivity and non-Fermi liquid behavior near a nematic quantum critical point, Proc. Natl. Acad. Sci. U.S.A.114, 4905 (2017)

  25. [25]

    Superconduc- tivity in the repulsive Hubbard model: an asymptotically exact weak-coupling solution

    S. Raghu, S. A. Kivelson, D. J. Scalapino, “Superconduc- tivity in the repulsive Hubbard model: an asymptotically exact weak-coupling solution”, Phys. Rev. B81, 224505 (2010)

  26. [26]

    Yves Noat, Alain Mauger, William Sacks, Condensation mechanism of high-Tc cuprates: The key role of pairon excitations, Solid State Communications,408, 116252 (2026)

  27. [27]

    Sacks, A

    W. Sacks, A. Mauger, Y. Noat, Pair–pair interactions as a mechanism for high-Tc superconductivity, Supercond. Sci. Technol.28105014 (2015)

  28. [28]

    Y. Noat, A. Mauger, M. Nohara, H. Eisaki, W. Sacks, How ‘pairons’ are revealed in the electronic specific heat of cuprates, Solid State Commun.323114109 (2021)

  29. [29]

    O’Mahony etal, On the electron pairing mech- anism of copper-oxide high temperature superconductiv- ity, PNAS,119, No

    Shane M. O’Mahony etal, On the electron pairing mech- anism of copper-oxide high temperature superconductiv- ity, PNAS,119, No. 37, pages 1-8, e2207449119 (2022)

  30. [30]

    Weber, C

    C. Weber, C. Yee, K. Haule, and G. Kotliar, Scaling of the transition temperature of hole-doped cuprate super- conductors with the charge-transfer energy, EPL,100, 37001 (2012). doi: 10.1209/0295-5075/100/37001

  31. [31]

    Kowalski etal., Oxygen hole content, charge-transfer gap, covalency, and cuprate superconductivity, P.N.A.S

    N. Kowalski etal., Oxygen hole content, charge-transfer gap, covalency, and cuprate superconductivity, P.N.A.S. 118, e2106476118 (2021)

  32. [32]

    Navinder Singh, V. J. Emery and P. W. Anderson’s Views and Related Issues Regarding the Basics of Cuprates: A Re-Look. J Supercond Nov Magn38, 223 (2025)

  33. [33]

    G. R. Stewart, Unconventional superconductivity, Adv. Phys.66, 75 (2017)

  34. [34]

    Taillefer, Scattering and pairing in cuprate supercon- ductors, Ann

    L. Taillefer, Scattering and pairing in cuprate supercon- ductors, Ann. Rev. Cond. Matt. Phys.1, 50 (2010)

  35. [35]

    Anomalous criticality in the electrical resistivity ofLa 2−xSrxCuO 4

    R. A. Cooper etal, “Anomalous criticality in the electrical resistivity ofLa 2−xSrxCuO 4”, Science323, 603 (2009)

  36. [36]

    P. W. Anderson,The theory of superconductivity in the high-Tc cuprates, Princeton University Press (1997)

  37. [37]

    Barisic etal, Universal sheet resistance and revised phase diagram of the cuprate high-temperature super- conductors, P.N.A.S.110, 12235 (2013)

    N. Barisic etal, Universal sheet resistance and revised phase diagram of the cuprate high-temperature super- conductors, P.N.A.S.110, 12235 (2013)

  38. [38]

    P. W. Anderson, Personal history of my engagement with cuprate superconductivity, 1986-2010, Int. J. Mod. Phys. B.25, 1-39 (2011)

  39. [39]

    Gauquelin etal., Atomic scale real-space mapping of holes inY Ba 2Cu 3O6+δ, Nat

    N. Gauquelin etal., Atomic scale real-space mapping of holes inY Ba 2Cu 3O6+δ, Nat. Comm. 5:4275 (2014)

  40. [40]

    Proust and L

    C. Proust and L. Taillefer, The remarkable underlying ground states of cuprate superconductors, Ann. Rev. Cond. Matt. Phys.10, 409 (2019)

  41. [41]

    J. L. Tallon and J. W. Loram, The doping dependence of T ∗ −−What is the real high-Tc phase diagram?, Physica C349, 53-68 (2001)

  42. [42]

    Gor’kov and G

    L.P. Gor’kov and G. B. Teitel’baum, Interplay of externally doped and thermally activated holes in La2−xSrxCuO 4 and their impact on the pseudo- gap crossover. Phys. Rev. Lett.97, 247003 (2006). https://doi.org/10.1103/PhysRevLett.97.247003

  43. [43]

    Navinder Singh, The Gor’kov–Teitel’baum ther- mal activation model for cuprates: a review. J. Low Temp. Phys.216(5-6), 789-799 (2024). https://doi.org/10.1007/s10909-024-03188-w

  44. [44]

    Jalaja Pandya and Navinder Singh, Unifying prin- ciple for Hall coefficient in systems near mag- netic instability. Eur. Phys. J. B98, 119 (2025). https://doi.org/10.1140/epjb/s10051-025-00963-w

  45. [45]

    Hight-Tc cuprates: a story of two electronic subsystems

    N. Barisic and D. K. Sunko, “Hight-Tc cuprates: a story of two electronic subsystems”. J. Super Novel Mag.35, 1781 (2022)

  46. [46]

    Barzykin and D

    V. Barzykin and D. Pines, Universal behaviour and the two-component character of magnetically underdoped cuprate superconductors, Adv. Phys.58, 1-65 (2009)

  47. [47]

    V. J. Emery, Some aspects of the theory of high tempera- ture superconductors, Physica B: Condens. Matter,169, 17-25 (1991)

  48. [48]

    Navinder Singh, Review cuprates – Anderson’s unhappy electrons and their fate, arXiv:2308.04862 (2023)

  49. [49]

    Badoux etal, Change of carrier density at the pseudo- gap critical point of a cuprate superconductor, Nature, 531, 210 (2016)

    S. Badoux etal, Change of carrier density at the pseudo- gap critical point of a cuprate superconductor, Nature, 531, 210 (2016)