Askerzade, I. N.Askerbeyli, R.2024-09-292024-09-2920211063-777X1090-6517https://doi.org/10.1063/10.0004232https://hdl.handle.net/20.500.14619/5573We carried out the analysis of the return current of dc SQUID based on tunnel Josephson junction with unconventional current-phase relation. We analyzed two cases of current-phase relation with additional terms to the first harmonic sin phi: a case of the second harmonic sin 2 phi and the case of the fractional term sin (phi/2). It is shown that the changing of the return current of dc SQUID on junctions with unconventional current-phase relation is determined by the amplitude of the second term in current-phase relation, geometrical inductance, and external magnetic field.eninfo:eu-repo/semantics/closedAccessdc SQUIDcurrent-phase relationreturn currentanharmonic and fractional termsArticle10.1063/10.00042322-s2.0-851069417223955Q339247WOS:000655918000005Q4