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Title: Correlation of Electron Tunneling and Plasmon Propagation in a Luttinger Liquid

Journal Article · · Physical Review Letters
 [1];  [2];  [3];  [2];  [2];  [1];  [1];  [4];  [1];  [5];  [5];  [2];  [6];  [3];  [2]
  1. Univ. of California, Berkeley, CA (United States)
  2. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  3. Univ. of Southern California, Los Angeles, CA (United States)
  4. Fudan University, Shanghai (China)
  5. National Institute for Materials Science, Tsukuba (Japan)
  6. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Berkeley, CA (United States); King Abdulaziz Univ., Jeddah (Saudi Arabia)
+ Show Author Affiliations

Quantum-confined electrons in one dimension behave as a Luttinger liquid. However, unambiguous demonstration of Luttinger liquid phenomena in single-walled carbon nanotubes (SWNTs) has been challenging. In this work, we investigate well-defined SWNT cross junctions with a point contact between two Luttinger liquids and combine electrical transport and optical nanoscopy measurements to correlate completely different physical properties (i.e., the electron tunneling and the plasmon propagation) in the same Luttinger liquid system. Lastly, the suppressed electron tunneling at SWNT junctions exhibits a power-law scaling, which yields a Luttinger liquid interaction parameter that agrees quantitatively with that independently determined from the plasmon velocity based on the near-field optical nanoscopy.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1485099
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 4 Vol. 121; ISSN 0031-9007; ISSN PRLTAO
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (3)

Scaling and Reflection Behaviors of Polaritons in Low‐Dimensional Materials journal September 2019
Possible Luttinger liquid behavior of edge transport in monolayer transition metal dichalcogenide crystals journal January 2020
Nonlinear Luttinger liquid plasmons in semiconducting single-walled carbon nanotubes journal March 2020

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