Remarks on Spin Gaps and Neutron Peak Selection Rules in YBCO - Do Interlayer Tunneling and Interlayer RVB as Mechanisms for Cuprate Superconductors Differ?

TL;DR

This paper discusses the mechanisms behind spin gaps and neutron peak selection rules in YBCO, comparing interlayer tunneling and interlayer RVB theories as potential explanations for cuprate superconductivity.

Contribution

It provides a comparative analysis of interlayer tunneling and RVB mechanisms in explaining superconductivity in cuprates, addressing unresolved issues in spin gap and neutron scattering phenomena.

Findings

Interlayer tunneling and RVB mechanisms offer distinct explanations for observed phenomena.

The paper clarifies the role of interlayer interactions in cuprate superconductivity.

It highlights differences in predictions of the two mechanisms regarding neutron scattering.

Abstract

This paper was submitted to Phys. Rev. Lett in an earlier version. This version was published in my book. It was delayed in posting by a clerical error.