An Effective Field Theory Model for One-Dimensional ${\rm CH}$ Chains: Effects at Finite Chemical Potential, Temperature and External Zeeman Magnetic Field

TL;DR

This paper develops an effective field theory model to study doped (CH)_x chains under magnetic fields, temperature variations, and different condensate configurations, exploring their potential as polarized 1D organic conductors.

Contribution

It introduces a comprehensive effective field theory framework for (CH)_x chains considering finite temperature, magnetic field, and inhomogeneous condensates, extending previous models.

Findings

Analysis of magnetic field effects on condensate behavior

Identification of conditions for partial polarization in (CH)_x chains

Insights into temperature-dependent phase transitions

Abstract

In this work we use an effective field theory model to investigate doped $\rm (CH)_x$ chains under the influence of an external constant Zeeman magnetic field $B_0$, at zero and finite temperature, in the mean-field approximation and beyond. We consider both homogeneous and inhomogeneous $\Delta(x)$ condensates and briefly discuss the possibility of using these materials as partially polarized 1D organic conductors.