l$N1F6A(J
Effect of the tilted magnetic field on the pinnning parameters in YBCO thin films with columnar defects
g$B$K$*$1$k(Jn$BCM$N<'>l0MB8@-$K$D$$$FD4$Y$?!%(J $B$3$N7k2L!$<'>l$r79
/$7!$(J $B$^$?Cl>u7g4Y$H<'>l$,J?9T$J>l9g$K>H l(J,$B%T%sNOJ,I[(J,$BEEN.(J-$BEE05FC@-(J
n$BCM(J,$BNW3&EEN.L)EY(J,$BCl>u7g4Y(J,$B79