title: Unsymmetrical hot electron heating in quasi-ballistic nanocontacts.
authors.affiliation: The Institute of Scientific and Industrial Research, Osaka University , 8-1 Mihogaoka, Ibaraki, Osaka 567-0047,  Japan.
authors.forename: Makusu
authors.initials: M
authors.lastname: Tsutsui
authors.forename: Tomoji
authors.initials: T
authors.lastname: Kawai
authors.forename: Masateru
authors.initials: M
authors.lastname: Taniguchi